US Bridges

SR1108 over Norfork Southern RR

Fair

Wake County, North Carolina · 0.2 Mi. N. of Jct. US401 · Structure no. 000000001830337

Built
2006
19 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
119 ft
1 main span
Daily traffic
9,200
2015 count
Owner
State
State Highway Agency

About this bridge

SR1108 over Norfork Southern RR is a steel stringer/multi-beam or girder carrying SR1108 over Norfork Southern RR in Wake County, North Carolina. It was built in 2006, so it is 19 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 9,200 vehicles a day, roughly 7% of them trucks, projected to reach 18,400 by 2040. The structure is 119 ft (36.2 m) long and 53 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR1108
CrossesNorfork Southern RR
Location0.2 Mi. N. of Jct. US401
RouteState Highway 1108
CountyWake County
StateNorth Carolina
Coordinates35.59186, -78.79918
Functional classUrban Local

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.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Approach roadway alignment8: Equal to present desirable criteria
Operating rating89 US tons
Inventory rating52.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20 + Mod
Structure length119 ft (36.2 m)
Longest span114 ft (34.7 m)
Deck width53 ft (16.1 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,200 (2015)
Projected traffic18,400 by 2040
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed0.6 mi (1 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 SR1108 over Norfork Southern RR built?

It was built in 2006, making it 19 years old in 2025.

What condition is SR1108 over Norfork Southern RR 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 2024.

How much traffic does SR1108 over Norfork Southern RR carry?

About 9,200 vehicles per day (2015 count), of which roughly 7% are trucks.

How long is SR1108 over Norfork Southern RR?

The structure is 119 ft (36.2 m) long with a longest span of 114 ft (34.7 m) and a deck 53 ft wide.

Who owns SR1108 over Norfork Southern RR?

It is owned by the State Highway Agency.