US Bridges

Nfa A307 over Eagle Creek

Good

Benton County, Tennessee · 3.8 MI NW JCT I40&SR191 · Structure no. 030A3070001

Built
1988
37 years old
Condition
Good
inspected February 2024
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
97 ft
3 main spans
Daily traffic
80
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A307 over Eagle Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa A307 over Eagle Creek in Benton County, Tennessee. It was built in 1988, so it is 37 years old, younger 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 80 vehicles a day, roughly 2% of them trucks, projected to reach 128 by 2042. The structure is 97 ft (29.6 m) long and 25 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa A307
CrossesEagle Creek
Location3.8 MI NW JCT I40&SR191
RouteCounty Highway 307
Coordinates35.89322, -88.03197
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length97 ft (29.6 m)
Longest span40 ft (12.2 m)
Deck width25 ft (7.5 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2020)
Projected traffic128 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Eagle Creek built?

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

What condition is Nfa A307 over Eagle 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 February 2024.

How much traffic does Nfa A307 over Eagle Creek carry?

About 80 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A307 over Eagle Creek?

The structure is 97 ft (29.6 m) long with a longest span of 40 ft (12.2 m) and a deck 25 ft wide.

Who owns Nfa A307 over Eagle Creek?

It is owned by the County Highway Agency.