US Bridges

FAP 10 over Dry Branch

Fair

Macon County, Tennessee · 5.14 MI S of Lafayette · Structure no. 56SR0100003

Built
1942
83 years old
Condition
Fair
inspected August 2023
Type
Culvert
Concrete Continuous
Length
42 ft
3 main spans
Daily traffic
4,889
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 10 over Dry Branch is a concrete continuous culvert carrying FAP 10 over Dry Branch in Macon County, Tennessee. It was built in 1942, so it is 83 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 4,889 vehicles a day, roughly 6% of them trucks, projected to reach 6,827 by 2041. The structure is 42 ft (12.8 m) long and 28 ft wide. If it were closed, the detour would be 34.8 mi (56 km).

Location

Open in Google Maps
CarriesFAP 10
CrossesDry Branch
Location5.14 MI S of Lafayette
RouteState Highway 10
CountyMacon County
StateTennessee
Coordinates36.45155, -86.05
Functional classRural Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating32.2 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length42 ft (12.8 m)
Longest span10 ft (3 m)
Deck width28 ft (8.4 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,889 (2021)
Projected traffic6,827 by 2041
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed34.8 mi (56 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$221,000 (2021 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 10 over Dry Branch built?

It was built in 1942, making it 83 years old in 2025.

What condition is FAP 10 over Dry Branch 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 August 2023.

How much traffic does FAP 10 over Dry Branch carry?

About 4,889 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 10 over Dry Branch?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m) and a deck 28 ft wide.

Who owns FAP 10 over Dry Branch?

It is owned by the State Highway Agency.