US Bridges

FAP 408 (sr 155) over Mill Creek

Fair

Davidson County, Tennessee · .6 M E JCT SR155&I24 · Structure no. 19SR1550011

Built
1963
62 years old, rebuilt 2008
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
189 ft
3 main spans
Daily traffic
38,057
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 408 (sr 155) over Mill Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying FAP 408 (sr 155) over Mill Creek in Davidson County, Tennessee. It was built in 1963 and reconstructed in 2008, so it is 62 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 38,057 vehicles a day, roughly 7% of them trucks, projected to reach 62,840 by 2041. The structure is 189 ft (57.5 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesFAP 408 (sr 155)
CrossesMill Creek
Location.6 M E JCT SR155&I24
RouteState Highway 155
CountyDavidson County
StateTennessee
Coordinates36.11163, -86.71037
Functional classUrban Principal Arterial - Other Freeway or Expressway

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
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 geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating41.8 US tons
Inventory rating24.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length189 ft (57.5 m)
Longest span62 ft (18.9 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic38,057 (2021)
Projected traffic62,840 by 2041
Trucks7%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 408 (sr 155) over Mill Creek built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2008.

What condition is FAP 408 (sr 155) 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 April 2023.

How much traffic does FAP 408 (sr 155) over Mill Creek carry?

About 38,057 vehicles per day (2021 count), of which roughly 7% are trucks.

How long is FAP 408 (sr 155) over Mill Creek?

The structure is 189 ft (57.5 m) long with a longest span of 62 ft (18.9 m) and a deck 34 ft wide.

Who owns FAP 408 (sr 155) over Mill Creek?

It is owned by the State Highway Agency.