US Bridges

Hanley RD over Rvr Des Peres

FairPosted for load

St. Louis County, Missouri · S 3 T 45 N R 6 E · Structure no. 15590

Built
1967
58 years old, rebuilt 2003
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
77 ft
2 main spans
Daily traffic
9,482
2024 count
Owner
County
County Highway Agency

About this bridge

Hanley RD over Rvr Des Peres is a prestressed concrete box beam or girders - multiple carrying Hanley RD over Rvr Des Peres in St. Louis County, Missouri. It was built in 1967 and reconstructed in 2003, 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 fair condition with a lowest component rating of 5 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 9,482 vehicles a day, roughly 2% of them trucks, projected to reach 12,801 by 2044. The structure is 77 ft (23.5 m) long and 54 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesHanley RD
CrossesRvr Des Peres
LocationS 3 T 45 N R 6 E
RouteCounty Highway 0
Coordinates38.66639, -90.3323
Functional classUrban Other Principal 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.4 US tons
Inventory rating41.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans2
Design loadHS 25 or greater
Structure length77 ft (23.5 m)
Longest span37 ft (11.3 m)
Deck width54 ft (16.5 m)
Roadway width43 ft (13.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,482 (2024)
Projected traffic12,801 by 2044
Trucks2%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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$1.3 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Hanley RD over Rvr Des Peres built?

It was built in 1967, making it 58 years old in 2025. It was reconstructed in 2003.

What condition is Hanley 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 February 2024.

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

About 9,482 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Hanley RD over Rvr Des Peres?

The structure is 77 ft (23.5 m) long with a longest span of 37 ft (11.3 m) and a deck 54 ft wide.

Who owns Hanley RD over Rvr Des Peres?

It is owned by the County Highway Agency.