US Bridges

Nfa 947 (sa 6106) over Agency Creek

Good

Meigs County, Tennessee · East of SR58 · Structure no. 61S42740003

Built
2006
19 years old
Condition
Good
inspected June 2023
Type
Box Beam or Girders - Single or Spread
Prestressed Concrete Continuous
Length
110 ft
2 main spans
Daily traffic
872
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 947 (sa 6106) over Agency Creek is a prestressed concrete continuous box beam or girders - single or spread carrying Nfa 947 (sa 6106) over Agency Creek in Meigs County, Tennessee. It was built in 2006, so it is 19 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 872 vehicles a day, roughly 3% of them trucks, projected to reach 1,235 by 2042. The structure is 110 ft (33.5 m) long and 32 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesNfa 947 (sa 6106)
CrossesAgency Creek
LocationEast of SR58
RouteCounty Highway 947
Coordinates35.39257, -84.89543
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
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 geometry6: Equal to present minimum criteria
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating67.5 US tons
Inventory rating35.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length110 ft (33.5 m)
Longest span53 ft (16.3 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic872 (2021)
Projected traffic1,235 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 947 (sa 6106) over Agency Creek built?

It was built in 2006, making it 19 years old in 2025.

What condition is Nfa 947 (sa 6106) over Agency 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 947 (sa 6106) over Agency Creek carry?

About 872 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 947 (sa 6106) over Agency Creek?

The structure is 110 ft (33.5 m) long with a longest span of 53 ft (16.3 m) and a deck 32 ft wide.

Who owns Nfa 947 (sa 6106) over Agency Creek?

It is owned by the County Highway Agency.