US Bridges

Nfa A307 over Horse Creek

Fair

Hardin County, Tennessee · Old Gillis Mill RD SR 203 · Structure no. 360A3070001

Built
1965
60 years old
Condition
Fair
inspected March 2024
Type
Tee Beam
Concrete
Length
114 ft
4 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A307 over Horse Creek is a concrete tee beam carrying Nfa A307 over Horse Creek in Hardin County, Tennessee. It was built in 1965, so it is 60 years old, older than the Tennessee average of 47.4 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.

It carries about 130 vehicles a day, roughly 2% of them trucks, projected to reach 208 by 2040. The structure is 114 ft (34.7 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A307
CrossesHorse Creek
LocationOld Gillis Mill RD SR 203
RouteCounty Highway 307
Coordinates35.13611, -88.01458
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating35.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length114 ft (34.7 m)
Longest span29 ft (8.7 m)
Deck width29 ft (8.7 m)
Roadway width24 ft (7.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2040
Trucks2%
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A307 over Horse Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa A307 over Horse Creek 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 March 2024.

How much traffic does Nfa A307 over Horse Creek carry?

About 130 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A307 over Horse Creek?

The structure is 114 ft (34.7 m) long with a longest span of 29 ft (8.7 m) and a deck 29 ft wide.

Who owns Nfa A307 over Horse Creek?

It is owned by the County Highway Agency.