US Bridges

Gilchrist over Coleman Branch

Fair

Knox County, Ohio · 0.1 MI North of Harding · Structure no. 4234049

Built
1948
77 years old, rebuilt 2000
Condition
Fair
inspected June 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
282
2015 count
Owner
County
County Highway Agency

About this bridge

Gilchrist over Coleman Branch is a prestressed concrete box beam or girders - multiple carrying Gilchrist over Coleman Branch in Knox County, Ohio. It was built in 1948 and reconstructed in 2000, so it is 77 years old, older than the Ohio average of 47.3 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 282 vehicles a day, roughly 7% of them trucks, projected to reach 391 by 2042. The structure is 65 ft (19.8 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesGilchrist
CrossesColeman Branch
Location0.1 MI North of Harding
RouteCounty Highway 8
StateOhio
Coordinates40.44472, -82.37817
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating46.4 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckWood or timber
Main spans1
Design loadHS 20 + Mod
Structure length65 ft (19.8 m)
Longest span64 ft (19.5 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic282 (2015)
Projected traffic391 by 2042
Trucks7%
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

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 Gilchrist over Coleman Branch built?

It was built in 1948, making it 77 years old in 2025. It was reconstructed in 2000.

What condition is Gilchrist over Coleman Branch 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 2024.

How much traffic does Gilchrist over Coleman Branch carry?

About 282 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is Gilchrist over Coleman Branch?

The structure is 65 ft (19.8 m) long with a longest span of 64 ft (19.5 m) and a deck 26 ft wide.

Who owns Gilchrist over Coleman Branch?

It is owned by the County Highway Agency.