US Bridges

Rt N S over Saline CR

PoorPosted for load

Ste. Genevieve County, Missouri · S 306 T 36 N R 9 E · Structure no. 7786

Built
1955
70 years old
Condition
Poor
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
131 ft
3 main spans
Daily traffic
550
2024 count
Owner
State
State Highway Agency

About this bridge

Rt N S over Saline CR is a steel stringer/multi-beam or girder carrying Rt N S over Saline CR in Ste. Genevieve County, Missouri. It was built in 1955, so it is 70 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 4 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. Its operating status is: posted for load restriction.

It carries about 550 vehicles a day, roughly 7% of them trucks, projected to reach 770 by 2044. The structure is 131 ft (39.9 m) long and 22 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

CarriesRt N S
CrossesSaline CR
LocationS 306 T 36 N R 9 E
RouteState Highway 0N
Coordinates37.84647, -90.03187
Functional classRural Major Collector

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
Deck4 PoorAdvanced section loss, deterioration, 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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating19.8 US tons
Inventory rating9.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length131 ft (39.9 m)
Longest span44 ft (13.4 m)
Deck width22 ft (6.7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic550 (2024)
Projected traffic770 by 2044
Trucks7%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 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 Rt N S over Saline CR built?

It was built in 1955, making it 70 years old in 2025.

What condition is Rt N S over Saline CR 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 October 2024.

How much traffic does Rt N S over Saline CR carry?

About 550 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Rt N S over Saline CR?

The structure is 131 ft (39.9 m) long with a longest span of 44 ft (13.4 m) and a deck 22 ft wide.

Who owns Rt N S over Saline CR?

It is owned by the State Highway Agency.