US Bridges

Nfa 929 (sa 5116) over Rockhouse Creek

Good

Lewis County, Tennessee · 6.5 M. S. Hohenwald. · Structure no. 510A1100007

Built
1984
41 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
105 ft
3 main spans
Daily traffic
97
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 929 (sa 5116) over Rockhouse Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying Nfa 929 (sa 5116) over Rockhouse Creek in Lewis County, Tennessee. It was built in 1984, so it is 41 years old, younger 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 97 vehicles a day, roughly 2% of them trucks, projected to reach 334 by 2041. The structure is 105 ft (32 m) long and 26 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesNfa 929 (sa 5116)
CrossesRockhouse Creek
Location6.5 M. S. Hohenwald.
RouteCounty Highway 929
CountyLewis County
StateTennessee
Coordinates35.45939, -87.60868
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
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating76.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length105 ft (32 m)
Longest span35 ft (10.7 m)
Deck width26 ft (7.8 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic97 (2021)
Projected traffic334 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.1 mi (13 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 929 (sa 5116) over Rockhouse Creek built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa 929 (sa 5116) over Rockhouse 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 June 2023.

How much traffic does Nfa 929 (sa 5116) over Rockhouse Creek carry?

About 97 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 929 (sa 5116) over Rockhouse Creek?

The structure is 105 ft (32 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.

Who owns Nfa 929 (sa 5116) over Rockhouse Creek?

It is owned by the County Highway Agency.