US Bridges

KY-904 over Coalstone Branch

GoodPosted for load

Whitley County, Kentucky · .30 MI W of E-Jct Ky 92 · Structure no. 118B00072N

Built
1957
68 years old
Condition
Good
inspected February 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
474
2018 count
Owner
State
State Highway Agency

About this bridge

KY-904 over Coalstone Branch is a concrete culvert carrying KY-904 over Coalstone Branch in Whitley County, Kentucky. It was built in 1957, so it is 68 years old, older than the Kentucky average of 46.6 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. Its operating status is: posted for load restriction.

It carries about 474 vehicles a day, projected to reach 474 by 2038. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesKY-904
CrossesCoalstone Branch
Location.30 MI W of E-Jct Ky 92
RouteState Highway 904
CountyWhitley County
StateKentucky
Coordinates36.69194, -83.96472
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating36.7 US tons
Inventory rating22 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic474 (2018)
Projected traffic474 by 2038
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KY-904 over Coalstone Branch built?

It was built in 1957, making it 68 years old in 2025.

What condition is KY-904 over Coalstone Branch 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 2023.

How much traffic does KY-904 over Coalstone Branch carry?

About 474 vehicles per day (2018 count).

How long is KY-904 over Coalstone Branch?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m).

Who owns KY-904 over Coalstone Branch?

It is owned by the State Highway Agency.