US Bridges

NC108 over I-26

Fair

Polk County, North Carolina · .01 E JCT.NC108 I-26 · Structure no. 000000001490032

Built
1966
59 years old, rebuilt 2015
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
258 ft
4 main spans
Daily traffic
9,100
2022 count
Owner
State
State Highway Agency

About this bridge

NC108 over I-26 is a steel stringer/multi-beam or girder carrying NC108 over I-26 in Polk County, North Carolina. It was built in 1966 and reconstructed in 2015, so it is 59 years old, older 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 9,100 vehicles a day, roughly 7% of them trucks, projected to reach 18,200 by 2040. The structure is 258 ft (78.6 m) long and 33 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesNC108
CrossesI-26
Location.01 E JCT.NC108 I-26
RouteState Highway 108
CountyPolk County
StateNorth Carolina
Coordinates35.24543, -82.20569
Functional classRural Major Collector

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating61 US tons
Inventory rating35.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length258 ft (78.6 m)
Longest span77 ft (23.4 m)
Deck width33 ft (10.2 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,100 (2022)
Projected traffic18,200 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesOverpass structure at an interchange
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was NC108 over I-26 built?

It was built in 1966, making it 59 years old in 2025. It was reconstructed in 2015.

What condition is NC108 over I-26 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 September 2023.

How much traffic does NC108 over I-26 carry?

About 9,100 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is NC108 over I-26?

The structure is 258 ft (78.6 m) long with a longest span of 77 ft (23.4 m) and a deck 33 ft wide.

Who owns NC108 over I-26?

It is owned by the State Highway Agency.