US Bridges

Nfa A677 over Fall Creek

Good

Bedford County, Tennessee · 6 M. Se. Unionville. · Structure no. 020A6770001

Built
1984
41 years old
Condition
Good
inspected November 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
118 ft
3 main spans
Daily traffic
90
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A677 over Fall Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa A677 over Fall Creek in Bedford County, Tennessee. It was built in 1984, so it is 41 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 90 vehicles a day, roughly 2% of them trucks, projected to reach 144 by 2041. The structure is 118 ft (36 m) long and 26 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa A677
CrossesFall Creek
Location6 M. Se. Unionville.
RouteCounty Highway 677
Coordinates35.55231, -86.53696
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 protection7 GoodSome minor problems.
Last inspectionNovember 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.8 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length118 ft (36 m)
Longest span39 ft (11.9 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic90 (2020)
Projected traffic144 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 A677 over Fall Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa A677 over Fall 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 November 2024.

How much traffic does Nfa A677 over Fall Creek carry?

About 90 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A677 over Fall Creek?

The structure is 118 ft (36 m) long with a longest span of 39 ft (11.9 m) and a deck 26 ft wide.

Who owns Nfa A677 over Fall Creek?

It is owned by the County Highway Agency.