US Bridges

Nfa 1767 (sa 9108) over Glenrock Branch

Fair

Wayne County, Tennessee · 3.0 MI W of Lawrence Co. · Structure no. 91017670009

Built
1984
41 years old
Condition
Fair
inspected January 2025
Type
Culvert
Concrete Continuous
Length
26 ft
2 main spans
Daily traffic
94
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1767 (sa 9108) over Glenrock Branch is a concrete continuous culvert carrying Nfa 1767 (sa 9108) over Glenrock Branch in Wayne County, Tennessee. It was built in 1984, so it is 41 years old, younger 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.

It carries about 94 vehicles a day, roughly 2% of them trucks, projected to reach 142 by 2042. The structure is 26 ft (7.9 m) long and 25 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

Open in Google Maps
CarriesNfa 1767 (sa 9108)
CrossesGlenrock Branch
Location3.0 MI W of Lawrence Co.
RouteCounty Highway 1767
CountyWayne County
StateTennessee
Coordinates35.2517, -87.63225
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating75.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length26 ft (7.9 m)
Longest span12 ft (3.7 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic94 (2021)
Projected traffic142 by 2042
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 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 proposedDeck rehabilitation with only incidental widening
Estimated improvement cost$37,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1767 (sa 9108) over Glenrock Branch built?

It was built in 1984, making it 41 years old in 2025.

What condition is Nfa 1767 (sa 9108) over Glenrock Branch 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 January 2025.

How much traffic does Nfa 1767 (sa 9108) over Glenrock Branch carry?

About 94 vehicles per day (2021 count), of which roughly 2% are trucks.

How long is Nfa 1767 (sa 9108) over Glenrock Branch?

The structure is 26 ft (7.9 m) long with a longest span of 12 ft (3.7 m) and a deck 25 ft wide.

Who owns Nfa 1767 (sa 9108) over Glenrock Branch?

It is owned by the County Highway Agency.