US Bridges

Nfa 1112 (sa 8908) over Barren Fork River

Fair

Warren County, Tennessee · 3MI East of Cannon Co. · Structure no. 890A5190005

Built
1970
55 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
170 ft
3 main spans
Daily traffic
151
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1112 (sa 8908) over Barren Fork River is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 1112 (sa 8908) over Barren Fork River in Warren County, Tennessee. It was built in 1970, so it is 55 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 6 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 151 vehicles a day, roughly 3% of them trucks, projected to reach 234 by 2041. The structure is 170 ft (51.8 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 1112 (sa 8908)
CrossesBarren Fork River
Location3MI East of Cannon Co.
RouteCounty Highway 1112
Coordinates35.67798, -85.95174
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation6: Equal to 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 rating63.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadH 15
Structure length170 ft (51.8 m)
Longest span54 ft (16.5 m)
Deck width26 ft (7.9 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic151 (2021)
Projected traffic234 by 2041
Trucks3%
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 1112 (sa 8908) over Barren Fork River built?

It was built in 1970, making it 55 years old in 2025.

What condition is Nfa 1112 (sa 8908) over Barren Fork River 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 January 2025.

How much traffic does Nfa 1112 (sa 8908) over Barren Fork River carry?

About 151 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1112 (sa 8908) over Barren Fork River?

The structure is 170 ft (51.8 m) long with a longest span of 54 ft (16.5 m) and a deck 26 ft wide.

Who owns Nfa 1112 (sa 8908) over Barren Fork River?

It is owned by the County Highway Agency.