US Bridges

Centaur RD over Br of Wild Horse C

PoorPosted for load

St. Louis County, Missouri · S 1956 T 45 N R 3 E · Structure no. 24173

Built
1967
58 years old, rebuilt 2011
Condition
Poor
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
84 ft
1 main span
Daily traffic
1,136
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

Centaur RD over Br of Wild Horse C is a steel stringer/multi-beam or girder carrying Centaur RD over Br of Wild Horse C in St. Louis County, Missouri. It was built in 1967 and reconstructed in 2011, so it is 58 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 1,136 vehicles a day, roughly 10% of them trucks, projected to reach 1,534 by 2044. The structure is 84 ft (25.6 m) long and 29 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCentaur RD
CrossesBr of Wild Horse C
LocationS 1956 T 45 N R 3 E
RouteCity Street 0
Coordinates38.63937, -90.699
Functional classUrban Local

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
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.6 US tons
Inventory rating26.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length84 ft (25.6 m)
Longest span80 ft (24.4 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,136 (2024)
Projected traffic1,534 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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$949,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

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

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2011.

What condition is Centaur 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 Centaur RD over Br of Wild Horse C carry?

About 1,136 vehicles per day (2024 count), of which roughly 10% are trucks.

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

The structure is 84 ft (25.6 m) long with a longest span of 80 ft (24.4 m) and a deck 29 ft wide.

Who owns Centaur RD over Br of Wild Horse C?

It is owned by the City or Municipal Highway Agency.