US Bridges

FAP 115 over FAU 3820

Good

Blount County, Tennessee · 2.6 SE of Maryville · Structure no. 05SR1150005

Built
1959
66 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
155 ft
3 main spans
Daily traffic
43,489
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 115 over FAU 3820 is a steel continuous stringer/multi-beam or girder carrying FAP 115 over FAU 3820 in Blount County, Tennessee. It was built in 1959, so it is 66 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 43,489 vehicles a day, roughly 9% of them trucks, projected to reach 66,736 by 2042. The structure is 155 ft (47.3 m) long and 34 ft wide.

Location

Open in Google Maps
CarriesFAP 115
CrossesFAU 3820
Location2.6 SE of Maryville
RouteU.S. Route 129
CountyBlount County
StateTennessee
Coordinates35.76477, -83.98683
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation8: Equal to present desirable criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating78.3 US tons
Inventory rating35.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length155 ft (47.3 m)
Longest span62 ft (19 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic43,489 (2021)
Projected traffic66,736 by 2042
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.5 million (2022 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was FAP 115 over FAU 3820 built?

It was built in 1959, making it 66 years old in 2025.

What condition is FAP 115 over FAU 3820 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 October 2023.

How much traffic does FAP 115 over FAU 3820 carry?

About 43,489 vehicles per day (2021 count), of which roughly 9% are trucks.

How long is FAP 115 over FAU 3820?

The structure is 155 ft (47.3 m) long with a longest span of 62 ft (19 m) and a deck 34 ft wide.

Who owns FAP 115 over FAU 3820?

It is owned by the State Highway Agency.