US Bridges

FAU 4250 over Mayflower Rd. / I-26

GoodPosted for load

Carter County, Tennessee · 2.38 M N Unicoi CO Line · Structure no. 10I00260001

Built
1986
39 years old
Condition
Good
inspected April 2023
Type
Box Beam or Girders - Multiple
Concrete Continuous
Length
217 ft
2 main spans
Daily traffic
1,443
2021 count
Owner
State
State Highway Agency

About this bridge

FAU 4250 over Mayflower Rd. / I-26 is a concrete continuous box beam or girders - multiple carrying FAU 4250 over Mayflower Rd. / I-26 in Carter County, Tennessee. It was built in 1986, so it is 39 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 1,443 vehicles a day, roughly 4% of them trucks, projected to reach 2,309 by 2042. The structure is 217 ft (66.1 m) long and 50 ft wide. If it were closed, the detour would be 8.1 mi (13 km).

Location

Open in Google Maps
CarriesFAU 4250
CrossesMayflower Rd. / I-26
Location2.38 M N Unicoi CO Line
RouteCity Street 4250
CountyCarter County
StateTennessee
Coordinates36.29152, -82.32485
Functional classUrban Minor Arterial

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.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating33.2 US tons
Inventory rating25.7 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20
Structure length217 ft (66.1 m)
Longest span105 ft (31.9 m)
Deck width50 ft (15.2 m)
Roadway width47 ft (14.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,443 (2021)
Projected traffic2,309 by 2042
Trucks4%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed8.1 mi (13 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAU 4250 over Mayflower Rd. / I-26 built?

It was built in 1986, making it 39 years old in 2025.

What condition is FAU 4250 over Mayflower Rd. / I-26 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 April 2023.

How much traffic does FAU 4250 over Mayflower Rd. / I-26 carry?

About 1,443 vehicles per day (2021 count), of which roughly 4% are trucks.

How long is FAU 4250 over Mayflower Rd. / I-26?

The structure is 217 ft (66.1 m) long with a longest span of 105 ft (31.9 m) and a deck 50 ft wide.

Who owns FAU 4250 over Mayflower Rd. / I-26?

It is owned by the State Highway Agency.