US Bridges

FAP 68 over Davis Mill Creek

Poor

Polk County, Tennessee · Near Staffordtown · Structure no. 70SR0680017

Built
1931
94 years old
Condition
Poor
inspected May 2024
Type
Tee Beam
Concrete
Length
162 ft
5 main spans
Daily traffic
5,918
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 68 over Davis Mill Creek is a concrete tee beam carrying FAP 68 over Davis Mill Creek in Polk County, Tennessee. It was built in 1931, so it is 94 years old, older than the Tennessee average of 47.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 5,918 vehicles a day, roughly 10% of them trucks, projected to reach 9,469 by 2042. The structure is 162 ft (49.4 m) long and 30 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

Location

Open in Google Maps
CarriesFAP 68
CrossesDavis Mill Creek
LocationNear Staffordtown
RouteState Highway 68
CountyPolk County
StateTennessee
Coordinates34.99503, -84.38258
Functional classRural Principal Arterial - Other

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadH 15
Structure length162 ft (49.4 m)
Longest span35 ft (10.7 m)
Deck width30 ft (9.2 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,918 (2021)
Projected traffic9,469 by 2042
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$2.4 million (2022 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 68 over Davis Mill Creek built?

It was built in 1931, making it 94 years old in 2025.

What condition is FAP 68 over Davis Mill Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in May 2024.

How much traffic does FAP 68 over Davis Mill Creek carry?

About 5,918 vehicles per day (2021 count), of which roughly 10% are trucks.

How long is FAP 68 over Davis Mill Creek?

The structure is 162 ft (49.4 m) long with a longest span of 35 ft (10.7 m) and a deck 30 ft wide.

Who owns FAP 68 over Davis Mill Creek?

It is owned by the State Highway Agency.