US Bridges

FAU 11 over Rock Creek

Fair

Marshall County, Tennessee · .4 M S JCT SR50&SR11 · Structure no. 59SR0110017

Built
1928
97 years old, rebuilt 1948
Condition
Fair
inspected August 2024
Type
Tee Beam
Concrete
Length
171 ft
6 main spans
Daily traffic
4,545
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 11 over Rock Creek is a concrete tee beam carrying FAU 11 over Rock Creek in Marshall County, Tennessee. It was built in 1928 and reconstructed in 1948, so it is 97 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 4,545 vehicles a day, roughly 4% of them trucks, projected to reach 6,880 by 2041. The structure is 171 ft (52.2 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesFAU 11
CrossesRock Creek
Location.4 M S JCT SR50&SR11
RouteU.S. Route 31
CountyMarshall County
StateTennessee
Coordinates35.4436, -86.79229
Functional classUrban Minor Arterial

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionAugust 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating70.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans6
Design loadHS 20
Structure length171 ft (52.2 m)
Longest span29 ft (8.7 m)
Deck width65 ft (19.7 m)
Roadway width52 ft (15.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,545 (2021)
Projected traffic6,880 by 2041
Trucks4%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 FAU 11 over Rock Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1948.

What condition is FAU 11 over Rock 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 August 2024.

How much traffic does FAU 11 over Rock Creek carry?

About 4,545 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 11 over Rock Creek?

The structure is 171 ft (52.2 m) long with a longest span of 29 ft (8.7 m) and a deck 65 ft wide.

Who owns FAU 11 over Rock Creek?

It is owned by the State Highway Agency.