US Bridges

FAP 70 over Heck Hollow Branch

Good

Hawkins County, Tennessee · 2.8 M W of Greene CO Line · Structure no. 37SR0700029

Built
1986
39 years old
Condition
Good
inspected August 2024
Type
Culvert
Concrete Continuous
Length
30 ft
2 main spans
Daily traffic
1,224
2021 count
Owner
State
State Highway Agency

About this bridge

FAP 70 over Heck Hollow Branch is a concrete continuous culvert carrying FAP 70 over Heck Hollow Branch in Hawkins County, Tennessee. It was built in 1986, so it is 39 years old, younger 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 1,224 vehicles a day, roughly 6% of them trucks, projected to reach 1,472 by 2040. The structure is 30 ft (9.1 m) long and 54 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesFAP 70
CrossesHeck Hollow Branch
Location2.8 M W of Greene CO Line
RouteState Highway 70
Coordinates36.34442, -82.95485
Functional classRural Minor Arterial

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating71.4 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length30 ft (9.1 m)
Longest span10 ft (3 m)
Deck width54 ft (16.6 m)
Roadway width41 ft (12.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,224 (2021)
Projected traffic1,472 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was FAP 70 over Heck Hollow Branch built?

It was built in 1986, making it 39 years old in 2025.

What condition is FAP 70 over Heck Hollow Branch 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 August 2024.

How much traffic does FAP 70 over Heck Hollow Branch carry?

About 1,224 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is FAP 70 over Heck Hollow Branch?

The structure is 30 ft (9.1 m) long with a longest span of 10 ft (3 m) and a deck 54 ft wide.

Who owns FAP 70 over Heck Hollow Branch?

It is owned by the State Highway Agency.