US Bridges

County RD 1790 over Mud CR

Good

Randolph County, Missouri · S 17 T 55 N R 13 W · Structure no. 14356

Built
1995
30 years old
Condition
Good
inspected December 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
123 ft
3 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 1790 over Mud CR is a steel stringer/multi-beam or girder carrying County RD 1790 over Mud CR in Randolph County, Missouri. It was built in 1995, so it is 30 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 44 by 2043. The structure is 123 ft (37.5 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCounty RD 1790
CrossesMud CR
LocationS 17 T 55 N R 13 W
RouteCounty Highway 65
Coordinates39.56705, -92.38313
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating84.3 US tons
Inventory rating39.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length123 ft (37.5 m)
Longest span60 ft (18.3 m)
Deck width24 ft (7.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic44 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 County RD 1790 over Mud CR built?

It was built in 1995, making it 30 years old in 2025.

What condition is County RD 1790 over Mud 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 December 2024.

How much traffic does County RD 1790 over Mud CR carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 1790 over Mud CR?

The structure is 123 ft (37.5 m) long with a longest span of 60 ft (18.3 m) and a deck 24 ft wide.

Who owns County RD 1790 over Mud CR?

It is owned by the County Highway Agency.