US Bridges

Nfa 958 (sa 6318) over Rush Branch

Good

Montgomery County, Tennessee · 9 MI NE Southside · Structure no. 63S63310001

Built
1987
38 years old
Condition
Good
inspected October 2024
Type
Culvert
Concrete
Length
23 ft
1 main span
Daily traffic
1,444
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 958 (sa 6318) over Rush Branch is a concrete culvert carrying Nfa 958 (sa 6318) over Rush Branch in Montgomery County, Tennessee. It was built in 1987, so it is 38 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 1,444 vehicles a day, roughly 3% of them trucks, projected to reach 752 by 2039. The structure is 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa 958 (sa 6318)
CrossesRush Branch
Location9 MI NE Southside
RouteCounty Highway 958
CountyMontgomery County
StateTennessee
Coordinates36.42513, -87.15128
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 protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating98.2 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length23 ft (7 m)
Longest span18 ft (5.5 m)
Deck width30 ft (9.1 m)
Roadway width26 ft (8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,444 (2021)
Projected traffic752 by 2039
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 958 (sa 6318) over Rush Branch built?

It was built in 1987, making it 38 years old in 2025.

What condition is Nfa 958 (sa 6318) over Rush 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 October 2024.

How much traffic does Nfa 958 (sa 6318) over Rush Branch carry?

About 1,444 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 958 (sa 6318) over Rush Branch?

The structure is 23 ft (7 m) long with a longest span of 18 ft (5.5 m) and a deck 30 ft wide.

Who owns Nfa 958 (sa 6318) over Rush Branch?

It is owned by the County Highway Agency.