US Bridges

Nfa A127 over East Rock Creek

FairPosted for load

Marshall County, Tennessee · 4.2 MI NW JCT SR11&SR64 · Structure no. 590A1270001

Built
1975
50 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
154 ft
3 main spans
Daily traffic
130
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A127 over East Rock Creek is a prestressed concrete stringer/multi-beam or girder carrying Nfa A127 over East Rock Creek in Marshall County, Tennessee. It was built in 1975, so it is 50 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. Its operating status is: posted for load restriction.

It carries about 130 vehicles a day, roughly 2% of them trucks, projected to reach 208 by 2041. The structure is 154 ft (46.8 m) long and 30 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesNfa A127
CrossesEast Rock Creek
Location4.2 MI NW JCT SR11&SR64
RouteCounty Highway 127
Coordinates35.55313, -86.75459
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure8 Very GoodNo problems noted.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment6: Equal to present minimum criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length154 ft (46.8 m)
Longest span62 ft (18.9 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic130 (2020)
Projected traffic208 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 A127 over East Rock Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Nfa A127 over East 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 June 2024.

How much traffic does Nfa A127 over East Rock Creek carry?

About 130 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A127 over East Rock Creek?

The structure is 154 ft (46.8 m) long with a longest span of 62 ft (18.9 m) and a deck 30 ft wide.

Who owns Nfa A127 over East Rock Creek?

It is owned by the County Highway Agency.