US Bridges

Is 55 S over Saline CR

Fair

Ste. Genevieve County, Missouri · S 3060 T 36 N R 9 E · Structure no. 2210

Built
1969
56 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
21 ft
2 main spans
Daily traffic
23,236
2024 count
Owner
State
State Highway Agency

About this bridge

Is 55 S over Saline CR is a concrete continuous culvert carrying Is 55 S over Saline CR in Ste. Genevieve 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 23,236 vehicles a day, roughly 22% of them trucks, projected to reach 44,148 by 2044. The structure is 21 ft (6.3 m) long. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesIs 55 S
CrossesSaline CR
LocationS 3060 T 36 N R 9 E
RouteInterstate 55
CountySte. Genevieve County
StateMissouri
Coordinates37.86018, -90.01799
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 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 rating110.1 US tons
Inventory rating68.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length21 ft (6.3 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic23,236 (2024)
Projected traffic44,148 by 2044
Trucks22%
Lanes on structure4
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 55 S over Saline CR built?

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

What condition is Is 55 S over Saline 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 March 2023.

How much traffic does Is 55 S over Saline CR carry?

About 23,236 vehicles per day (2024 count), of which roughly 22% are trucks.

How long is Is 55 S over Saline CR?

The structure is 21 ft (6.3 m) long with a longest span of 10 ft (3 m).

Who owns Is 55 S over Saline CR?

It is owned by the State Highway Agency.