US Bridges

Arsenal ST E over Is 44

Fair

St. Louis city, Missouri · S 26 T 45 N R 6 E · Structure no. 1990

Built
1971
54 years old, rebuilt 2009
Condition
Fair
inspected August 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
230 ft
4 main spans
Daily traffic
9,501
2024 count
Owner
State
State Highway Agency

About this bridge

Arsenal ST E over Is 44 is a steel continuous stringer/multi-beam or girder carrying Arsenal ST E over Is 44 in St. Louis city, Missouri. It was built in 1971 and reconstructed in 2009, so it is 54 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.

It carries about 9,501 vehicles a day, roughly 5% of them trucks, projected to reach 13,301 by 2044. The structure is 230 ft (70.1 m) long and 58 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesArsenal ST E
CrossesIs 44
LocationS 26 T 45 N R 6 E
RouteCity Street 0
Coordinates38.60854, -90.30426
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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.5 US tons
Inventory rating37.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length230 ft (70.1 m)
Longest span79 ft (24.1 m)
Deck width58 ft (17.7 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,501 (2024)
Projected traffic13,301 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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$2.7 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was Arsenal ST E over Is 44 built?

It was built in 1971, making it 54 years old in 2025. It was reconstructed in 2009.

What condition is Arsenal ST E 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 Arsenal ST E over Is 44 carry?

About 9,501 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Arsenal ST E over Is 44?

The structure is 230 ft (70.1 m) long with a longest span of 79 ft (24.1 m) and a deck 58 ft wide.

Who owns Arsenal ST E over Is 44?

It is owned by the State Highway Agency.