US Bridges

Nfa 1958 (sa 7409) over Calebs Creek

Good

Robertson County, Tennessee · 1.8 MI SW JCT SR49&SR257 · Structure no. 74019580001

Built
1965
60 years old
Condition
Good
inspected May 2024
Type
Tee Beam
Concrete
Length
40 ft
1 main span
Daily traffic
339
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1958 (sa 7409) over Calebs Creek is a concrete tee beam carrying Nfa 1958 (sa 7409) over Calebs Creek in Robertson County, Tennessee. It was built in 1965, so it is 60 years old, older 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 339 vehicles a day, roughly 3% of them trucks, projected to reach 416 by 2040. The structure is 40 ft (12.2 m) long and 24 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesNfa 1958 (sa 7409)
CrossesCalebs Creek
Location1.8 MI SW JCT SR49&SR257
RouteCounty Highway 1958
Coordinates36.45463, -86.98357
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 protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length40 ft (12.2 m)
Longest span38 ft (11.6 m)
Deck width24 ft (7.4 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic339 (2021)
Projected traffic416 by 2040
Trucks3%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$121,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1958 (sa 7409) over Calebs Creek built?

It was built in 1965, making it 60 years old in 2025.

What condition is Nfa 1958 (sa 7409) over Calebs 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 May 2024.

How much traffic does Nfa 1958 (sa 7409) over Calebs Creek carry?

About 339 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1958 (sa 7409) over Calebs Creek?

The structure is 40 ft (12.2 m) long with a longest span of 38 ft (11.6 m) and a deck 24 ft wide.

Who owns Nfa 1958 (sa 7409) over Calebs Creek?

It is owned by the County Highway Agency.