US Bridges

SR1103 over I40

Good

Forsyth County, North Carolina · 0.5 Mi. S. Jct. SR1891 · Structure no. 000000000670104

Built
1994
31 years old
Condition
Good
inspected May 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
226 ft
4 main spans
Daily traffic
32,500
2015 count
Owner
State
State Highway Agency

About this bridge

SR1103 over I40 is a steel stringer/multi-beam or girder carrying SR1103 over I40 in Forsyth County, North Carolina. It was built in 1994, so it is 31 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 32,500 vehicles a day, roughly 6% of them trucks, projected to reach 65,000 by 2040. The structure is 226 ft (68.8 m) long and 86 ft wide.

CarriesSR1103
CrossesI40
Location0.5 Mi. S. Jct. SR1891
RouteState Highway 1103
Coordinates36.03471, -80.38461
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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionMay 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than 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 rating89 US tons
Inventory rating53.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadHS 20 + Mod
Structure length226 ft (68.8 m)
Longest span81 ft (24.6 m)
Deck width86 ft (26.3 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic32,500 (2015)
Projected traffic65,000 by 2040
Trucks6%
Lanes on structure6
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
Detour if closed—
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 proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1103 over I40 built?

It was built in 1994, making it 31 years old in 2025.

What condition is SR1103 over I40 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 May 2022.

How much traffic does SR1103 over I40 carry?

About 32,500 vehicles per day (2015 count), of which roughly 6% are trucks.

How long is SR1103 over I40?

The structure is 226 ft (68.8 m) long with a longest span of 81 ft (24.6 m) and a deck 86 ft wide.

Who owns SR1103 over I40?

It is owned by the State Highway Agency.