US Bridges

Is 44 E over Br Gravois CR

Fair

St. Louis County, Missouri · S 12 T 44 N R 6 E · Structure no. 1418

Built
1969
56 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
36 ft
3 main spans
Daily traffic
109,171
2024 count
Owner
State
State Highway Agency

About this bridge

Is 44 E over Br Gravois CR is a concrete continuous culvert carrying Is 44 E over Br Gravois CR in St. Louis County, Missouri. It was built in 1969, so it is 56 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 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 109,171 vehicles a day, roughly 12% of them trucks, projected to reach 136,464 by 2044. The structure is 36 ft (11 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 44 E
CrossesBr Gravois CR
LocationS 12 T 44 N R 6 E
RouteInterstate 44
CountySt. Louis County
StateMissouri
Coordinates38.57661, -90.37961
Functional classUrban 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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20
Structure length36 ft (11 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic109,171 (2024)
Projected traffic136,464 by 2044
Trucks12%
Lanes on structure6
Traffic directionTwo-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 Br Gravois CR built?

It was built in 1969, making it 56 years old in 2025.

What condition is Is 44 E over Br Gravois CR 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 November 2023.

How much traffic does Is 44 E over Br Gravois CR carry?

About 109,171 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Is 44 E over Br Gravois CR?

The structure is 36 ft (11 m) long with a longest span of 12 ft (3.7 m).

Who owns Is 44 E over Br Gravois CR?

It is owned by the State Highway Agency.