US Bridges

Nfa 1123 (sa 8911) over Hickory Grove Branch

Good

Warren County, Tennessee · 4 MI North of US 70S · Structure no. 89S43220003

Built
1991
34 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete Continuous
Length
58 ft
3 main spans
Daily traffic
1,117
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1123 (sa 8911) over Hickory Grove Branch is a concrete continuous culvert carrying Nfa 1123 (sa 8911) over Hickory Grove Branch in Warren County, Tennessee. It was built in 1991, so it is 34 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 1,117 vehicles a day, roughly 3% of them trucks, projected to reach 1,805 by 2042. The structure is 58 ft (17.7 m) long and 33 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 1123 (sa 8911)
CrossesHickory Grove Branch
Location4 MI North of US 70S
RouteCounty Highway 1123
CountyWarren County
StateTennessee
Coordinates35.74329, -85.83587
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 inspectionApril 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 adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length58 ft (17.7 m)
Longest span18 ft (5.5 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,117 (2021)
Projected traffic1,805 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 1123 (sa 8911) over Hickory Grove Branch built?

It was built in 1991, making it 34 years old in 2025.

What condition is Nfa 1123 (sa 8911) over Hickory Grove 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 April 2023.

How much traffic does Nfa 1123 (sa 8911) over Hickory Grove Branch carry?

About 1,117 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1123 (sa 8911) over Hickory Grove Branch?

The structure is 58 ft (17.7 m) long with a longest span of 18 ft (5.5 m) and a deck 33 ft wide.

Who owns Nfa 1123 (sa 8911) over Hickory Grove Branch?

It is owned by the County Highway Agency.