US Bridges

US421 Nbl over SR2113

Fair

Chatham County, North Carolina · 1.5 Mi. S. Jct. SR2110 · Structure no. 000000000370467

Built
1991
34 years old
Condition
Fair
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
187 ft
3 main spans
Daily traffic
14,500
2021 count
Owner
State
State Highway Agency

About this bridge

US421 Nbl over SR2113 is a steel stringer/multi-beam or girder carrying US421 Nbl over SR2113 in Chatham County, North Carolina. It was built in 1991, so it is 34 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 fair condition with a lowest component rating of 6 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 14,500 vehicles a day, roughly 14% of them trucks, projected to reach 29,000 by 2040. The structure is 187 ft (56.9 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS421 Nbl
CrossesSR2113
Location1.5 Mi. S. Jct. SR2110
RouteU.S. Route 421
Coordinates35.69421, -79.42748
Functional classRural Principal Arterial - Other

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86 US tons
Inventory rating50.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length187 ft (56.9 m)
Longest span120 ft (36.5 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic14,500 (2021)
Projected traffic29,000 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 US421 Nbl over SR2113 built?

It was built in 1991, making it 34 years old in 2025.

What condition is US421 Nbl over SR2113 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 June 2023.

How much traffic does US421 Nbl over SR2113 carry?

About 14,500 vehicles per day (2021 count), of which roughly 14% are trucks.

How long is US421 Nbl over SR2113?

The structure is 187 ft (56.9 m) long with a longest span of 120 ft (36.5 m) and a deck 43 ft wide.

Who owns US421 Nbl over SR2113?

It is owned by the State Highway Agency.