US Bridges

Nfa A307 over Cracker Creek

Good

Rhea County, Tennessee · .5 MI North of SR 68 · Structure no. 720A3070001

Built
1960
65 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
1,090
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A307 over Cracker Creek is a concrete continuous culvert carrying Nfa A307 over Cracker Creek in Rhea County, Tennessee. It was built in 1960, so it is 65 years old, older than the Tennessee average of 47.4 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.

It carries about 1,090 vehicles a day, roughly 10% of them trucks, projected to reach 1,744 by 2040. The structure is 22 ft (6.6 m) long. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa A307
CrossesCracker Creek
Location.5 MI North of SR 68
RouteCounty Highway 307
Coordinates35.651, -84.84952
Functional classRural Local

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length22 ft (6.6 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 traffic1,090 (2020)
Projected traffic1,744 by 2040
Trucks10%
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 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 Cracker Creek built?

It was built in 1960, making it 65 years old in 2025.

What condition is Nfa A307 over Cracker Creek 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 October 2024.

How much traffic does Nfa A307 over Cracker Creek carry?

About 1,090 vehicles per day (2020 count), of which roughly 10% are trucks.

How long is Nfa A307 over Cracker Creek?

The structure is 22 ft (6.6 m) long with a longest span of 10 ft (3 m).

Who owns Nfa A307 over Cracker Creek?

It is owned by the County Highway Agency.