US Bridges

Nfa A103 over North Fork Creek

Fair

Bedford County, Tennessee · 5 M. E. Unionville · Structure no. 020A1030001

Built
1940
85 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
59 ft
6 main spans
Daily traffic
60
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A103 over North Fork Creek is a steel stringer/multi-beam or girder carrying Nfa A103 over North Fork Creek in Bedford County, Tennessee. It was built in 1940, so it is 85 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 5 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 60 vehicles a day, roughly 2% of them trucks, projected to reach 96 by 2041. The structure is 59 ft (17.9 m) long and 16 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesNfa A103
CrossesNorth Fork Creek
Location5 M. E. Unionville
RouteCounty Highway 103
Coordinates35.62237, -86.49924
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.6 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans6
Design loadH 15
Structure length59 ft (17.9 m)
Longest span9 ft (2.8 m)
Deck width16 ft (4.8 m)
Roadway width14 ft (4.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic60 (2020)
Projected traffic96 by 2041
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$350,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A103 over North Fork Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa A103 over North Fork Creek 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 November 2024.

How much traffic does Nfa A103 over North Fork Creek carry?

About 60 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A103 over North Fork Creek?

The structure is 59 ft (17.9 m) long with a longest span of 9 ft (2.8 m) and a deck 16 ft wide.

Who owns Nfa A103 over North Fork Creek?

It is owned by the County Highway Agency.