US Bridges

Wild Horse CR RD over Br of Wild Horse C

PoorPosted for load

St. Louis County, Missouri · S 1956 T 45 N R 3 E · Structure no. 24161

Built
1962
63 years old
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
66 ft
1 main span
Daily traffic
1,120
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Wild Horse CR RD over Br of Wild Horse C is a steel stringer/multi-beam or girder carrying Wild Horse CR RD over Br of Wild Horse C in St. Louis County, Missouri. It was built in 1962, so it is 63 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 1,120 vehicles a day, roughly 10% of them trucks, projected to reach 1,792 by 2043. The structure is 66 ft (20.1 m) long and 21 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesWild Horse CR RD
CrossesBr of Wild Horse C
LocationS 1956 T 45 N R 3 E
RouteCity Street 0
CountySt. Louis County
StateMissouri
Coordinates38.61232, -90.71419
Functional classRural Minor Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating48.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length66 ft (20.1 m)
Longest span60 ft (18.3 m)
Deck width21 ft (6.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,120 (2023)
Projected traffic1,792 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$759,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Wild Horse CR RD over Br of Wild Horse C built?

It was built in 1962, making it 63 years old in 2025.

What condition is Wild Horse CR RD over Br of Wild Horse C in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in January 2024.

How much traffic does Wild Horse CR RD over Br of Wild Horse C carry?

About 1,120 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Wild Horse CR RD over Br of Wild Horse C?

The structure is 66 ft (20.1 m) long with a longest span of 60 ft (18.3 m) and a deck 21 ft wide.

Who owns Wild Horse CR RD over Br of Wild Horse C?

It is owned by the City or Municipal Highway Agency.