US Bridges

Nfa A434 (sa 6313) over Dawson Creek

Fair

Montgomery County, Tennessee · 1 M. N. Southside. · Structure no. 630A4340001

Built
1967
58 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
610
2020 count
Owner
County
County Highway Agency

About this bridge

Nfa A434 (sa 6313) over Dawson Creek is a concrete continuous culvert carrying Nfa A434 (sa 6313) over Dawson Creek in Montgomery County, Tennessee. It was built in 1967, so it is 58 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 6 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 610 vehicles a day, roughly 2% of them trucks, projected to reach 976 by 2040. The structure is 22 ft (6.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNfa A434 (sa 6313)
CrossesDawson Creek
Location1 M. N. Southside.
RouteCounty Highway 434
CountyMontgomery County
StateTennessee
Coordinates36.38897, -87.30587
Functional classRural Local

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.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
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 geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42.5 US tons
Inventory rating24.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width26 ft (8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic610 (2020)
Projected traffic976 by 2040
Trucks2%
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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$74,000 (2020 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa A434 (sa 6313) over Dawson Creek built?

It was built in 1967, making it 58 years old in 2025.

What condition is Nfa A434 (sa 6313) over Dawson 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 October 2024.

How much traffic does Nfa A434 (sa 6313) over Dawson Creek carry?

About 610 vehicles per day (2020 count), of which roughly 2% are trucks.

How long is Nfa A434 (sa 6313) over Dawson Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns Nfa A434 (sa 6313) over Dawson Creek?

It is owned by the County Highway Agency.