US Bridges

NC157 over Eno River

Good

Durham County, North Carolina · 0.4 MI N. of JCT SR1404 · Structure no. 000000000630050

Built
2005
20 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
240 ft
1 main span
Daily traffic
20,500
2021 count
Owner
State
State Highway Agency

About this bridge

NC157 over Eno River is a steel stringer/multi-beam or girder carrying NC157 over Eno River in Durham County, North Carolina. It was built in 2005, so it is 20 years old, younger than the North Carolina average of 38.7 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 20,500 vehicles a day, roughly 6% of them trucks, projected to reach 41,000 by 2040. The structure is 240 ft (73.1 m) long and 83 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNC157
CrossesEno River
Location0.4 MI N. of JCT SR1404
RouteState Highway 157
CountyDurham County
StateNorth Carolina
Coordinates36.07186, -78.93467
Functional classUrban 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
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 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 geometry9: Superior to present desirable criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length240 ft (73.1 m)
Longest span234 ft (71.3 m)
Deck width83 ft (25.3 m)
Roadway width71 ft (21.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20,500 (2021)
Projected traffic41,000 by 2040
Trucks6%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC157 over Eno River built?

It was built in 2005, making it 20 years old in 2025.

What condition is NC157 over Eno River 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 March 2023.

How much traffic does NC157 over Eno River carry?

About 20,500 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is NC157 over Eno River?

The structure is 240 ft (73.1 m) long with a longest span of 234 ft (71.3 m) and a deck 83 ft wide.

Who owns NC157 over Eno River?

It is owned by the State Highway Agency.