US Bridges

FAU 3918 over Mill Creek

Fair

Sullivan County, Tennessee · Broad ST Just W of Limits · Structure no. 82039180001

Built
1970
55 years old
Condition
Fair
inspected January 2024
Type
Channel Beam
Concrete
Length
42 ft
1 main span
Daily traffic
2,463
2021 count
Owner
City
City or Municipal Highway Agency

About this bridge

FAU 3918 over Mill Creek is a concrete channel beam carrying FAU 3918 over Mill Creek in Sullivan County, Tennessee. It was built in 1970, so it is 55 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 2,463 vehicles a day, roughly 3% of them trucks, projected to reach 3,546 by 2042. The structure is 42 ft (12.7 m) long and 28 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesFAU 3918
CrossesMill Creek
LocationBroad ST Just W of Limits
RouteCity Street 3918
CountySullivan County
StateTennessee
Coordinates36.5793, -82.22698
Functional classUrban 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39.7 US tons
Inventory rating26.8 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadH 15
Structure length42 ft (12.7 m)
Longest span38 ft (11.7 m)
Deck width28 ft (8.5 m)
Roadway width27 ft (8.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,463 (2021)
Projected traffic3,546 by 2042
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$232,000 (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAU 3918 over Mill Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is FAU 3918 over Mill 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 January 2024.

How much traffic does FAU 3918 over Mill Creek carry?

About 2,463 vehicles per day (2021 count), of which roughly 3% are trucks.

How long is FAU 3918 over Mill Creek?

The structure is 42 ft (12.7 m) long with a longest span of 38 ft (11.7 m) and a deck 28 ft wide.

Who owns FAU 3918 over Mill Creek?

It is owned by the City or Municipal Highway Agency.