US Bridges

Bert T Combs-Mount over Mid Fork-Red River

Fair

Powell County, Kentucky · Wbl .1 M.W. Slade Intrchg · Structure no. 099B00083L

Built
1988
37 years old
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
157 ft
3 main spans
Daily traffic
4,394
2021 count
Owner
State
State Highway Agency

About this bridge

Bert T Combs-Mount over Mid Fork-Red River is a prestressed concrete stringer/multi-beam or girder carrying Bert T Combs-Mount over Mid Fork-Red River in Powell County, Kentucky. It was built in 1988, so it is 37 years old, younger 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 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 4,394 vehicles a day, roughly 12% of them trucks, projected to reach 4,394 by 2041. The structure is 157 ft (47.9 m) long and 43 ft wide.

CarriesBert T Combs-Mount
CrossesMid Fork-Red River
LocationWbl .1 M.W. Slade Intrchg
RouteState Highway 9000
Coordinates37.79722, -83.70528
Functional classRural Principal Arterial - Other

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.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96 US tons
Inventory rating57.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length157 ft (47.9 m)
Longest span52 ft (15.8 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,394 (2021)
Projected traffic4,394 by 2041
Trucks12%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Bert T Combs-Mount over Mid Fork-Red River built?

It was built in 1988, making it 37 years old in 2025.

What condition is Bert T Combs-Mount over Mid Fork-Red 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 November 2023.

How much traffic does Bert T Combs-Mount over Mid Fork-Red River carry?

About 4,394 vehicles per day (2021 count), of which roughly 12% are trucks.

How long is Bert T Combs-Mount over Mid Fork-Red River?

The structure is 157 ft (47.9 m) long with a longest span of 52 ft (15.8 m) and a deck 43 ft wide.

Who owns Bert T Combs-Mount over Mid Fork-Red River?

It is owned by the State Highway Agency.