US Bridges

Morganford RD over Rvr Des Peres

FairPosted for load

St. Louis city, Missouri · S 7 T 44 N R 7 E · Structure no. 12433

Built
1979
46 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
231 ft
3 main spans
Daily traffic
22,010
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Morganford RD over Rvr Des Peres is a prestressed concrete continuous stringer/multi-beam or girder carrying Morganford RD over Rvr Des Peres in St. Louis city, Missouri. It was built in 1979, so it is 46 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 22,010 vehicles a day, roughly 5% of them trucks, projected to reach 29,714 by 2043. The structure is 231 ft (70.4 m) long and 80 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesMorganford RD
CrossesRvr Des Peres
LocationS 7 T 44 N R 7 E
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.55962, -90.28315
Functional classUrban Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating57.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length231 ft (70.4 m)
Longest span83 ft (25.3 m)
Deck width80 ft (24.4 m)
Roadway width68 ft (20.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic22,010 (2023)
Projected traffic29,714 by 2043
Trucks5%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$3.7 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Morganford RD over Rvr Des Peres built?

It was built in 1979, making it 46 years old in 2025.

What condition is Morganford RD over Rvr Des Peres in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in April 2023.

How much traffic does Morganford RD over Rvr Des Peres carry?

About 22,010 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Morganford RD over Rvr Des Peres?

The structure is 231 ft (70.4 m) long with a longest span of 83 ft (25.3 m) and a deck 80 ft wide.

Who owns Morganford RD over Rvr Des Peres?

It is owned by the City or Municipal Highway Agency.