US Bridges

Eads Bridge over 1st ST Underpass Metr

FairPosted for load

St. Louis city, Missouri · S 2571 T 45 N R 7 E · Structure no. 12992

Built
1874
151 years old, rebuilt 2003
Condition
Fair
inspected April 2024
Type
Arch - Deck
Steel
Length
4,007 ft
3 main spans
Daily traffic
2,000
2024 count
Owner
Local
Other Local Agency

About this bridge

Eads Bridge over 1st ST Underpass Metr is a steel arch - deck carrying Eads Bridge over 1st ST Underpass Metr in St. Louis city, Missouri. It was built in 1874 and reconstructed in 2003, so it is 151 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 2,000 vehicles a day, roughly 5% of them trucks, projected to reach 2,700 by 2044. The structure is 4,007 ft (1,221.3 m) long and 50 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesEads Bridge
Crosses1st ST Underpass Metr
LocationS 2571 T 45 N R 7 E
RouteCity Street 0
Coordinates38.62922, -90.18219
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 inspectionApril 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 alignment6: Equal to present minimum criteria
Operating rating57.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeArch - Deck
MaterialSteel
DeckClosed grating
Main spans3 (+84 approach)
Design loadHS 20
Structure length4,007 ft (1,221.3 m)
Longest span552 ft (168.4 m)
Deck width50 ft (15.2 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2024)
Projected traffic2,700 by 2044
Trucks5%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and railroad
CrossesHighway, waterway and railroad
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerOther Local Agency
Maintained byCity or Municipal Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$128 million (2025 estimate)
NavigationNavigation control on waterway (bridge permit required)

Frequently asked questions

When was Eads Bridge over 1st ST Underpass Metr built?

It was built in 1874, making it 151 years old in 2025. It was reconstructed in 2003.

What condition is Eads Bridge over 1st ST Underpass Metr 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 2024.

How much traffic does Eads Bridge over 1st ST Underpass Metr carry?

About 2,000 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is Eads Bridge over 1st ST Underpass Metr?

The structure is 4,007 ft (1,221.3 m) long with a longest span of 552 ft (168.4 m) and a deck 50 ft wide.

Who owns Eads Bridge over 1st ST Underpass Metr?

It is owned by the Other Local Agency and maintained by the City or Municipal Highway Agency.