US Bridges

Minnith RD over Saline CR

Good

Ste. Genevieve County, Missouri · S 21 T 36 N R 9 E · Structure no. 14726

Built
1930
95 years old, rebuilt 1986
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
268 ft
4 main spans
Daily traffic
45
2024 count
Owner
County
County Highway Agency

About this bridge

Minnith RD over Saline CR is a prestressed concrete box beam or girders - multiple carrying Minnith RD over Saline CR in Ste. Genevieve County, Missouri. It was built in 1930 and reconstructed in 1986, so it is 95 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 45 vehicles a day, roughly 10% of them trucks, projected to reach 61 by 2044. The structure is 268 ft (81.7 m) long and 27 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesMinnith RD
CrossesSaline CR
LocationS 21 T 36 N R 9 E
RouteCounty Highway 73
Coordinates37.80628, -90.05217
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length268 ft (81.7 m)
Longest span64 ft (19.5 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic45 (2024)
Projected traffic61 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Minnith RD over Saline CR built?

It was built in 1930, making it 95 years old in 2025. It was reconstructed in 1986.

What condition is Minnith RD over Saline CR in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in February 2024.

How much traffic does Minnith RD over Saline CR carry?

About 45 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Minnith RD over Saline CR?

The structure is 268 ft (81.7 m) long with a longest span of 64 ft (19.5 m) and a deck 27 ft wide.

Who owns Minnith RD over Saline CR?

It is owned by the County Highway Agency.