US Bridges

Nfa A011 over Seeber Creek

FairPosted for load

Anderson County, Tennessee · 3.5 M SW of SR116-SR330 J · Structure no. 010A0110001

Built
1977
48 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
30 ft
1 main span
Daily traffic
450
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A011 over Seeber Creek is a steel stringer/multi-beam or girder carrying Nfa A011 over Seeber Creek in Anderson County, Tennessee. It was built in 1977, so it is 48 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. Its operating status is: posted for load restriction.

It carries about 450 vehicles a day, roughly 2% of them trucks, projected to reach 720 by 2041. The structure is 30 ft (9.2 m) long and 24 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

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CarriesNfa A011
CrossesSeeber Creek
Location3.5 M SW of SR116-SR330 J
RouteCounty Highway 11
CountyAnderson County
StateTennessee
Coordinates36.08918, -84.28125
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation3: Basically intolerable, requiring high priority of corrective action
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating5 US tons
Inventory rating4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadUnknown
Structure length30 ft (9.2 m)
Longest span28 ft (8.6 m)
Deck width24 ft (7.3 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic450 (2020)
Projected traffic720 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedWidening with deck rehabilitation or replacement
Estimated improvement cost$128,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A011 over Seeber Creek built?

It was built in 1977, making it 48 years old in 2025.

What condition is Nfa A011 over Seeber 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 July 2023.

How much traffic does Nfa A011 over Seeber Creek carry?

About 450 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A011 over Seeber Creek?

The structure is 30 ft (9.2 m) long with a longest span of 28 ft (8.6 m) and a deck 24 ft wide.

Who owns Nfa A011 over Seeber Creek?

It is owned by the County Highway Agency.