US Bridges

Nfa 1263 (sa 0501) over Mill Creek

Good

Blount County, Tennessee · 12 M. S. Maryville. · Structure no. 05F00260001

Built
1955
70 years old
Condition
Good
inspected November 2023
Type
Slab
Concrete
Length
21 ft
1 main span
Daily traffic
153
2021 count
Owner
County
County Highway Agency

About this bridge

Nfa 1263 (sa 0501) over Mill Creek is a concrete slab carrying Nfa 1263 (sa 0501) over Mill Creek in Blount County, Tennessee. It was built in 1955, so it is 70 years old, older 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 153 vehicles a day, roughly 3% of them trucks, projected to reach 245 by 2042. The structure is 21 ft (6.5 m) long and 22 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

CarriesNfa 1263 (sa 0501)
CrossesMill Creek
Location12 M. S. Maryville.
RouteCounty Highway 1263
Coordinates35.5833, -83.98431
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 15
Structure length21 ft (6.5 m)
Longest span21 ft (6.4 m)
Deck width22 ft (6.6 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic153 (2021)
Projected traffic245 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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$104,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Nfa 1263 (sa 0501) over Mill Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Nfa 1263 (sa 0501) over Mill Creek 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 November 2023.

How much traffic does Nfa 1263 (sa 0501) over Mill Creek carry?

About 153 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is Nfa 1263 (sa 0501) over Mill Creek?

The structure is 21 ft (6.5 m) long with a longest span of 21 ft (6.4 m) and a deck 22 ft wide.

Who owns Nfa 1263 (sa 0501) over Mill Creek?

It is owned by the County Highway Agency.