US Bridges

Nfa A765 over Robertson Creek

PoorPosted for load

Hawkins County, Tennessee · 3 M SW of SR66-SR113 Jct. · Structure no. 370A7650001

Built
1940
85 years old
Condition
Poor
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
260
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A765 over Robertson Creek is a steel stringer/multi-beam or girder carrying Nfa A765 over Robertson Creek in Hawkins County, Tennessee. It was built in 1940, so it is 85 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 260 vehicles a day, roughly 2% of them trucks, projected to reach 416 by 2041. The structure is 24 ft (7.3 m) long and 18 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesNfa A765
CrossesRobertson Creek
Location3 M SW of SR66-SR113 Jct.
RouteCounty Highway 765
Coordinates36.32897, -83.066
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating3.2 US tons
Inventory rating2.5 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length24 ft (7.3 m)
Longest span21 ft (6.4 m)
Deck width18 ft (5.6 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic260 (2020)
Projected traffic416 by 2041
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$424,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A765 over Robertson Creek built?

It was built in 1940, making it 85 years old in 2025.

What condition is Nfa A765 over Robertson Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in June 2023.

How much traffic does Nfa A765 over Robertson Creek carry?

About 260 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A765 over Robertson Creek?

The structure is 24 ft (7.3 m) long with a longest span of 21 ft (6.4 m) and a deck 18 ft wide.

Who owns Nfa A765 over Robertson Creek?

It is owned by the County Highway Agency.