US Bridges

Is 44 E over Gasconade Rvr

Fair

Laclede County, Missouri · S 15 T 35 N R 14 W · Structure no. 6436

Built
1956
69 years old, rebuilt 2006
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
679 ft
4 main spans
Daily traffic
13,870
2024 count
Owner
State
State Highway Agency

About this bridge

Is 44 E over Gasconade Rvr is a steel continuous stringer/multi-beam or girder carrying Is 44 E over Gasconade Rvr in Laclede County, Missouri. It was built in 1956 and reconstructed in 2006, so it is 69 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 13,870 vehicles a day, roughly 30% of them trucks, projected to reach 24,966 by 2044. The structure is 679 ft (207 m) long and 35 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 44 E
CrossesGasconade Rvr
LocationS 15 T 35 N R 14 W
RouteInterstate 44
Coordinates37.76024, -92.45196
Functional classRural 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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating45.6 US tons
Inventory rating23.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4 (+2 approach)
Design loadHS 20
Structure length679 ft (207 m)
Longest span150 ft (45.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13,870 (2024)
Projected traffic24,966 by 2044
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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—
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 44 E over Gasconade Rvr built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2006.

What condition is Is 44 E over Gasconade Rvr 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 February 2024.

How much traffic does Is 44 E over Gasconade Rvr carry?

About 13,870 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is Is 44 E over Gasconade Rvr?

The structure is 679 ft (207 m) long with a longest span of 150 ft (45.7 m) and a deck 35 ft wide.

Who owns Is 44 E over Gasconade Rvr?

It is owned by the State Highway Agency.