US Bridges

Nfa 1191 (sa 5422) over Frog Branch

Good

McMinn County, Tennessee · 1 MI from Pine Grove · Structure no. 54S42720011

Built
1985
40 years old
Condition
Good
inspected July 2023
Type
Culvert
Concrete Continuous
Length
25 ft
2 main spans
Daily traffic
323
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1191 (sa 5422) over Frog Branch is a concrete continuous culvert carrying Nfa 1191 (sa 5422) over Frog Branch in McMinn County, Tennessee. It was built in 1985, so it is 40 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 323 vehicles a day, roughly 3% of them trucks, projected to reach 512 by 2041. The structure is 25 ft (7.6 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

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CarriesNfa 1191 (sa 5422)
CrossesFrog Branch
Location1 MI from Pine Grove
RouteCounty Highway 1191
CountyMcMinn County
StateTennessee
Coordinates35.58988, -84.62617
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionJuly 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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating64.6 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length25 ft (7.6 m)
Longest span10 ft (3 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic323 (2021)
Projected traffic512 by 2041
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 1191 (sa 5422) over Frog Branch built?

It was built in 1985, making it 40 years old in 2025.

What condition is Nfa 1191 (sa 5422) over Frog Branch 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 July 2023.

How much traffic does Nfa 1191 (sa 5422) over Frog Branch carry?

About 323 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1191 (sa 5422) over Frog Branch?

The structure is 25 ft (7.6 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns Nfa 1191 (sa 5422) over Frog Branch?

It is owned by the County Highway Agency.