US Bridges

Nebraska Ave S over Is 44 Is 44

Fair

St. Louis city, Missouri · S 28 T 45 N R 7 E · Structure no. 1938

Built
1970
55 years old, rebuilt 1984
Condition
Fair
inspected August 2023
Type
Box Beam or Girders - Single or Spread
Concrete Continuous
Length
225 ft
4 main spans
Daily traffic
2,131
2024 count
Owner
State
State Highway Agency

About this bridge

Nebraska Ave S over Is 44 Is 44 is a concrete continuous box beam or girders - single or spread carrying Nebraska Ave S over Is 44 Is 44 in St. Louis city, Missouri. It was built in 1970 and reconstructed in 1984, 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 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 2,131 vehicles a day, roughly 4% of them trucks, projected to reach 3,197 by 2044. The structure is 225 ft (68.6 m) long and 48 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesNebraska Ave S
CrossesIs 44 Is 44
LocationS 28 T 45 N R 7 E
RouteCity Street 0
CountySt. Louis city
StateMissouri
Coordinates38.61429, -90.22811
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating49.6 US tons

Structure

Structure typeBox Beam or Girders - Single or Spread
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20
Structure length225 ft (68.6 m)
Longest span74 ft (22.6 m)
Deck width48 ft (14.5 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,131 (2024)
Projected traffic3,197 by 2044
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Nebraska Ave S over Is 44 Is 44 built?

It was built in 1970, making it 55 years old in 2025. It was reconstructed in 1984.

What condition is Nebraska Ave S over Is 44 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 Nebraska Ave S over Is 44 Is 44 carry?

About 2,131 vehicles per day (2024 count), of which roughly 4% are trucks.

How long is Nebraska Ave S over Is 44 Is 44?

The structure is 225 ft (68.6 m) long with a longest span of 74 ft (22.6 m) and a deck 48 ft wide.

Who owns Nebraska Ave S over Is 44 Is 44?

It is owned by the State Highway Agency.