US Bridges

Stevenson Mill RD over Mud River

FairPosted for load

Logan County, Kentucky · 2.9 MI W of JCT US 68 · Structure no. 071C00017N

Built
1974
51 years old
Condition
Fair
inspected June 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
44 ft
1 main span
Daily traffic
505
2022 count
Owner
County
County Highway Agency

About this bridge

Stevenson Mill RD over Mud River is a prestressed concrete box beam or girders - multiple carrying Stevenson Mill RD over Mud River in Logan County, Kentucky. It was built in 1974, so it is 51 years old, older than the Kentucky average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 505 vehicles a day, projected to reach 505 by 2042. The structure is 44 ft (13.4 m) long and 24 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesStevenson Mill RD
CrossesMud River
Location2.9 MI W of JCT US 68
RouteCounty Highway 1118
Coordinates36.85806, -86.82694
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating30.8 US tons
Inventory rating18.4 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadH 20
Structure length44 ft (13.4 m)
Longest span43 ft (13 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic505 (2022)
Projected traffic505 by 2042
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Stevenson Mill RD over Mud River built?

It was built in 1974, making it 51 years old in 2025.

What condition is Stevenson Mill RD over Mud River 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 June 2023.

How much traffic does Stevenson Mill RD over Mud River carry?

About 505 vehicles per day (2022 count).

How long is Stevenson Mill RD over Mud River?

The structure is 44 ft (13.4 m) long with a longest span of 43 ft (13 m) and a deck 24 ft wide.

Who owns Stevenson Mill RD over Mud River?

It is owned by the County Highway Agency.