US Bridges

Nfa 1134 (sa 0405) over Crystal Creek

Fair

Bledsoe County, Tennessee · 3MI East of US 127 · Structure no. 04011340011

Built
1952
73 years old
Condition
Fair
inspected June 2024
Type
Culvert
Concrete Continuous
Length
58 ft
5 main spans
Daily traffic
484
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1134 (sa 0405) over Crystal Creek is a concrete continuous culvert carrying Nfa 1134 (sa 0405) over Crystal Creek in Bledsoe County, Tennessee. It was built in 1952, so it is 73 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 484 vehicles a day, roughly 3% of them trucks, projected to reach 624 by 2040. The structure is 58 ft (17.8 m) long and 26 ft wide. If it were closed, the detour would be 19.3 mi (31 km).

CarriesNfa 1134 (sa 0405)
CrossesCrystal Creek
Location3MI East of US 127
RouteCounty Highway 1134
Coordinates35.54009, -85.21224
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; action required to protect exposed foundations
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length58 ft (17.8 m)
Longest span10 ft (3 m)
Deck width26 ft (7.9 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic484 (2021)
Projected traffic624 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.3 mi (31 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$122,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1134 (sa 0405) over Crystal Creek built?

It was built in 1952, making it 73 years old in 2025.

What condition is Nfa 1134 (sa 0405) over Crystal 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 June 2024.

How much traffic does Nfa 1134 (sa 0405) over Crystal Creek carry?

About 484 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1134 (sa 0405) over Crystal Creek?

The structure is 58 ft (17.8 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa 1134 (sa 0405) over Crystal Creek?

It is owned by the County Highway Agency.