US Bridges

Minnith RD over Trib of Saline CR

Fair

Ste. Genevieve County, Missouri · S 8 T 36 N R 9 E · Structure no. 14698

Built
1936
89 years old
Condition
Fair
inspected February 2024
Type
Slab
Concrete
Length
23 ft
1 main span
Daily traffic
65
2024 count
Owner
County
County Highway Agency

About this bridge

Minnith RD over Trib of Saline CR is a concrete slab carrying Minnith RD over Trib of Saline CR in Ste. Genevieve County, Missouri. It was built in 1936, so it is 89 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 65 vehicles a day, roughly 10% of them trucks, projected to reach 88 by 2044. The structure is 23 ft (7 m) long and 19 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesMinnith RD
CrossesTrib of Saline CR
LocationS 8 T 36 N R 9 E
RouteCounty Highway 73
CountySte. Genevieve County
StateMissouri
Coordinates37.83826, -90.06383
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
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
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length23 ft (7 m)
Longest span23 ft (7 m)
Deck width19 ft (5.9 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic65 (2024)
Projected traffic88 by 2044
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$162,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Minnith RD over Trib of Saline CR built?

It was built in 1936, making it 89 years old in 2025.

What condition is Minnith RD over Trib of 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 February 2024.

How much traffic does Minnith RD over Trib of Saline CR carry?

About 65 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Minnith RD over Trib of Saline CR?

The structure is 23 ft (7 m) long with a longest span of 23 ft (7 m) and a deck 19 ft wide.

Who owns Minnith RD over Trib of Saline CR?

It is owned by the County Highway Agency.