US Bridges

Pennsylvania Ave over NE Br of Rvr Des P

FairPosted for load

St. Louis County, Missouri · S 35 T 46 N R 6 E · Structure no. 15596

Built
1945
80 years old, rebuilt 1985
Condition
Fair
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
27 ft
1 main span
Daily traffic
4,329
2024 count
Owner
County
County Highway Agency

About this bridge

Pennsylvania Ave over NE Br of Rvr Des P is a prestressed concrete box beam or girders - multiple carrying Pennsylvania Ave over NE Br of Rvr Des P in St. Louis County, Missouri. It was built in 1945 and reconstructed in 1985, so it is 80 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 4,329 vehicles a day, roughly 3% of them trucks, projected to reach 5,844 by 2044. The structure is 27 ft (8.2 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesPennsylvania Ave
CrossesNE Br of Rvr Des P
LocationS 35 T 46 N R 6 E
RouteCounty Highway 0
Coordinates38.67625, -90.31452
Functional classUrban Collector

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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating30.8 US tons
Inventory rating18.8 US tons

Structure

MaterialPrestressed Concrete
DeckOther
Main spans1
Design loadHS 20
Structure length27 ft (8.2 m)
Longest span27 ft (8.2 m)
Deck width48 ft (14.6 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,329 (2024)
Projected traffic5,844 by 2044
Trucks3%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$735,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Pennsylvania Ave over NE Br of Rvr Des P built?

It was built in 1945, making it 80 years old in 2025. It was reconstructed in 1985.

What condition is Pennsylvania Ave over NE Br of Rvr Des P 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 Pennsylvania Ave over NE Br of Rvr Des P carry?

About 4,329 vehicles per day (2024 count), of which roughly 3% are trucks.

How long is Pennsylvania Ave over NE Br of Rvr Des P?

The structure is 27 ft (8.2 m) long with a longest span of 27 ft (8.2 m) and a deck 48 ft wide.

Who owns Pennsylvania Ave over NE Br of Rvr Des P?

It is owned by the County Highway Agency.