US Bridges

Nfa 2419 (sa 8710) over Dodson Creek

Fair

Union County, Tennessee · E of SR33-NEAR Norris Lak · Structure no. 87024190001

Built
1940
85 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
22 ft
1 main span
Daily traffic
860
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 2419 (sa 8710) over Dodson Creek is a concrete culvert carrying Nfa 2419 (sa 8710) over Dodson Creek in Union 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 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 860 vehicles a day, roughly 3% of them trucks, projected to reach 1,472 by 2040. The structure is 22 ft (6.7 m) long. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNfa 2419 (sa 8710)
CrossesDodson Creek
LocationE of SR33-NEAR Norris Lak
RouteCounty Highway 2419
CountyUnion County
StateTennessee
Coordinates36.3158, -83.72048
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 inspectionDecember 2023
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
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length22 ft (6.7 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic860 (2021)
Projected traffic1,472 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 2419 (sa 8710) over Dodson Creek built?

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

What condition is Nfa 2419 (sa 8710) over Dodson Creek 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 December 2023.

How much traffic does Nfa 2419 (sa 8710) over Dodson Creek carry?

About 860 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 2419 (sa 8710) over Dodson Creek?

The structure is 22 ft (6.7 m) long with a longest span of 21 ft (6.4 m).

Who owns Nfa 2419 (sa 8710) over Dodson Creek?

It is owned by the County Highway Agency.