US Bridges

Nfa A111 (sa 5116) over Rockhouse Creek

Fair

Lewis County, Tennessee · 3 M. S. Hohenwald. · Structure no. 510A1110003

Built
1936
89 years old, rebuilt 1978
Condition
Fair
inspected June 2023
Type
Culvert
Concrete
Length
103 ft
4 main spans
Daily traffic
520
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A111 (sa 5116) over Rockhouse Creek is a concrete culvert carrying Nfa A111 (sa 5116) over Rockhouse Creek in Lewis County, Tennessee. It was built in 1936 and reconstructed in 1978, so it is 89 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 520 vehicles a day, roughly 14% of them trucks, projected to reach 832 by 2041. The structure is 103 ft (31.5 m) long and 29 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

CarriesNfa A111 (sa 5116)
CrossesRockhouse Creek
Location3 M. S. Hohenwald.
RouteCounty Highway 111
Coordinates35.49785, -87.565
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadUnknown
Structure length103 ft (31.5 m)
Longest span24 ft (7.3 m)
Deck width29 ft (8.7 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic520 (2020)
Projected traffic832 by 2041
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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$704,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A111 (sa 5116) over Rockhouse Creek built?

It was built in 1936, making it 89 years old in 2025. It was reconstructed in 1978.

What condition is Nfa A111 (sa 5116) over Rockhouse 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 2023.

How much traffic does Nfa A111 (sa 5116) over Rockhouse Creek carry?

About 520 vehicles per day (2020 count), of which roughly 14% are trucks.

How long is Nfa A111 (sa 5116) over Rockhouse Creek?

The structure is 103 ft (31.5 m) long with a longest span of 24 ft (7.3 m) and a deck 29 ft wide.

Who owns Nfa A111 (sa 5116) over Rockhouse Creek?

It is owned by the County Highway Agency.