US Bridges

Arsenal ST over UP RR

Fair

St. Louis city, Missouri · S 30 T 45 N R 7 E · Structure no. 29760

Built
2003
22 years old
Condition
Fair
inspected April 2023
Type
Slab
Concrete
Length
42 ft
1 main span
Daily traffic
10,090
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Arsenal ST over UP RR is a concrete slab carrying Arsenal ST over UP RR in St. Louis city, Missouri. It was built in 2003, so it is 22 years old, younger 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 10,090 vehicles a day, roughly 5% of them trucks, projected to reach 13,622 by 2043. The structure is 42 ft (12.8 m) long and 59 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesArsenal ST
CrossesUP RR
LocationS 30 T 45 N R 7 E
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.60563, -90.27517
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating88.3 US tons
Inventory rating52.6 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length42 ft (12.8 m)
Longest span42 ft (12.8 m)
Deck width59 ft (18 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,090 (2023)
Projected traffic13,622 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Arsenal ST over UP RR built?

It was built in 2003, making it 22 years old in 2025.

What condition is Arsenal ST over UP RR 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 Arsenal ST over UP RR carry?

About 10,090 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Arsenal ST over UP RR?

The structure is 42 ft (12.8 m) long with a longest span of 42 ft (12.8 m) and a deck 59 ft wide.

Who owns Arsenal ST over UP RR?

It is owned by the City or Municipal Highway Agency.