US Bridges

Rp IS55N to Truman over Is 44

Fair

St. Louis city, Missouri · S 30 T 47 N R 2 E · Structure no. 1267

Built
1970
55 years old, rebuilt 1990
Condition
Fair
inspected August 2023
Type
Slab
Concrete Continuous
Length
166 ft
3 main spans
Daily traffic
6,207
2024 count
Owner
State
State Highway Agency

About this bridge

Rp IS55N to Truman over Is 44 is a concrete continuous slab carrying Rp IS55N to Truman over Is 44 in St. Louis city, Missouri. It was built in 1970 and reconstructed in 1990, so it is 55 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.

It carries about 6,207 vehicles a day, roughly 18% of them trucks, projected to reach 7,759 by 2044. The structure is 166 ft (50.6 m) long and 44 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

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CarriesRp IS55N to Truman
CrossesIs 44
LocationS 30 T 47 N R 2 E
RouteState Highway 0
CountySt. Louis city
StateMissouri
Coordinates38.61132, -90.20989
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating66.5 US tons
Inventory rating39.7 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length166 ft (50.6 m)
Longest span67 ft (20.4 m)
Deck width44 ft (13.3 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,207 (2024)
Projected traffic7,759 by 2044
Trucks18%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rp IS55N to Truman over Is 44 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1990.

What condition is Rp IS55N to Truman over Is 44 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 August 2023.

How much traffic does Rp IS55N to Truman over Is 44 carry?

About 6,207 vehicles per day (2024 count), of which roughly 18% are trucks.

How long is Rp IS55N to Truman over Is 44?

The structure is 166 ft (50.6 m) long with a longest span of 67 ft (20.4 m) and a deck 44 ft wide.

Who owns Rp IS55N to Truman over Is 44?

It is owned by the State Highway Agency.