US Bridges

Is 44 W over Gasconade Rvr Ovrf

Poor

Laclede County, Missouri · S 15 T 35 N R 14 W · Structure no. 6486

Built
1956
69 years old
Condition
Poor
inspected August 2023
Type
Slab
Concrete Continuous
Length
128 ft
5 main spans
Daily traffic
14,639
2024 count
Owner
State
State Highway Agency

About this bridge

Is 44 W over Gasconade Rvr Ovrf is a concrete continuous slab carrying Is 44 W over Gasconade Rvr Ovrf in Laclede County, Missouri. It was built in 1956, 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 poor condition with a lowest component rating of 3 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 14,639 vehicles a day, roughly 30% of them trucks, projected to reach 26,350 by 2044. The structure is 128 ft (39 m) long and 34 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesIs 44 W
CrossesGasconade Rvr Ovrf
LocationS 15 T 35 N R 14 W
RouteInterstate 44
Coordinates37.76275, -92.44746
Functional classRural Principal Arterial - Interstate

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Superstructure3 SeriousLoss of section, deterioration, spalling or scour have seriously affected primary structural components.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating40.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length128 ft (39 m)
Longest span26 ft (8 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,639 (2024)
Projected traffic26,350 by 2044
Trucks30%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesRelief for waterway
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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Is 44 W over Gasconade Rvr Ovrf built?

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

What condition is Is 44 W over Gasconade Rvr Ovrf in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in August 2023.

How much traffic does Is 44 W over Gasconade Rvr Ovrf carry?

About 14,639 vehicles per day (2024 count), of which roughly 30% are trucks.

How long is Is 44 W over Gasconade Rvr Ovrf?

The structure is 128 ft (39 m) long with a longest span of 26 ft (8 m) and a deck 34 ft wide.

Who owns Is 44 W over Gasconade Rvr Ovrf?

It is owned by the State Highway Agency.