US Bridges

US1S. over SR1011 Seaboard RR

Good

Chatham County, North Carolina · 0.5 Mi. N. Jct. SR1910 · Structure no. 000000000370068

Built
1998
27 years old
Condition
Good
inspected March 2021
Type
Stringer/Multi-beam or Girder
Steel
Length
396 ft
5 main spans
Daily traffic
17,750
2019 count
Owner
State
State Highway Agency

About this bridge

US1S. over SR1011 Seaboard RR is a steel stringer/multi-beam or girder carrying US1S. over SR1011 Seaboard RR in Chatham County, North Carolina. It was built in 1998, so it is 27 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 17,750 vehicles a day, roughly 14% of them trucks, projected to reach 35,500 by 2040. The structure is 396 ft (120.7 m) long and 49 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesUS1S.
CrossesSR1011 Seaboard RR
Location0.5 Mi. N. Jct. SR1910
RouteU.S. Route 1
CountyChatham County
StateNorth Carolina
Coordinates35.64421, -79.00288
Functional classRural Principal Arterial - Other

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.9 US tons
Inventory rating37.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20 + Mod
Structure length396 ft (120.7 m)
Longest span104 ft (31.6 m)
Deck width49 ft (14.9 m)
Roadway width46 ft (14 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic17,750 (2019)
Projected traffic35,500 by 2040
Trucks14%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesHighway and railroad
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was US1S. over SR1011 Seaboard RR built?

It was built in 1998, making it 27 years old in 2025.

What condition is US1S. over SR1011 Seaboard RR 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 2021.

How much traffic does US1S. over SR1011 Seaboard RR carry?

About 17,750 vehicles per day (2019 count), of which roughly 14% are trucks.

How long is US1S. over SR1011 Seaboard RR?

The structure is 396 ft (120.7 m) long with a longest span of 104 ft (31.6 m) and a deck 49 ft wide.

Who owns US1S. over SR1011 Seaboard RR?

It is owned by the State Highway Agency.