US Bridges

Nfa 1780 (sa 9106) over Indian Creek

Good

Wayne County, Tennessee · 8.3 MI SE JCT SR15&SR114 · Structure no. 91017800005

Built
1985
40 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
309 ft
4 main spans
Daily traffic
113
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1780 (sa 9106) over Indian Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 1780 (sa 9106) over Indian Creek in Wayne County, Tennessee. It was built in 1985, so it is 40 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 113 vehicles a day, roughly 4% of them trucks, projected to reach 150 by 2042. The structure is 309 ft (94.2 m) long and 24 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

CarriesNfa 1780 (sa 9106)
CrossesIndian Creek
Location8.3 MI SE JCT SR15&SR114
RouteCounty Highway 1780
Coordinates35.22225, -87.84707
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans4
Design loadHS 20
Structure length309 ft (94.2 m)
Longest span74 ft (22.6 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic113 (2021)
Projected traffic150 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 1780 (sa 9106) over Indian Creek built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa 1780 (sa 9106) over Indian 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 January 2025.

How much traffic does Nfa 1780 (sa 9106) over Indian Creek carry?

About 113 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is Nfa 1780 (sa 9106) over Indian Creek?

The structure is 309 ft (94.2 m) long with a longest span of 74 ft (22.6 m) and a deck 24 ft wide.

Who owns Nfa 1780 (sa 9106) over Indian Creek?

It is owned by the County Highway Agency.