US Bridges

Nfa B750 (sa 8331) over Bates Creek

FairPosted for load

Sumner County, Tennessee · 3.6 MI SW JCT SR25&TROUS. · Structure no. 83020490003

Built
1953
72 years old
Condition
Fair
inspected November 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
42 ft
1 main span
Daily traffic
1,814
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa B750 (sa 8331) over Bates Creek is a steel stringer/multi-beam or girder carrying Nfa B750 (sa 8331) over Bates Creek in Sumner County, Tennessee. It was built in 1953, so it is 72 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. Its operating status is: posted for load restriction.

It carries about 1,814 vehicles a day, roughly 3% of them trucks, projected to reach 2,928 by 2041. The structure is 42 ft (12.8 m) long and 19 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa B750 (sa 8331)
CrossesBates Creek
Location3.6 MI SW JCT SR25&TROUS.
RouteCounty Highway 0B750
Coordinates36.3726, -86.3332
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating53.2 US tons
Inventory rating40.7 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length42 ft (12.8 m)
Longest span41 ft (12.5 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,814 (2021)
Projected traffic2,928 by 2041
Trucks3%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$269,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa B750 (sa 8331) over Bates Creek built?

It was built in 1953, making it 72 years old in 2025.

What condition is Nfa B750 (sa 8331) over Bates 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 B750 (sa 8331) over Bates Creek carry?

About 1,814 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa B750 (sa 8331) over Bates Creek?

The structure is 42 ft (12.8 m) long with a longest span of 41 ft (12.5 m) and a deck 19 ft wide.

Who owns Nfa B750 (sa 8331) over Bates Creek?

It is owned by the County Highway Agency.