US Bridges

SR1103 over Mill Creek

GoodPosted for load

McDowell County, North Carolina · .2 MI.S.JCT.US70 · Structure no. 000000001110268

Built
1954
71 years old, rebuilt 1971
Condition
Good
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
76 ft
3 main spans
Daily traffic
5,500
2022 count
Owner
State
State Highway Agency

About this bridge

SR1103 over Mill Creek is a steel continuous stringer/multi-beam or girder carrying SR1103 over Mill Creek in McDowell County, North Carolina. It was built in 1954 and reconstructed in 1971, so it is 71 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 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. Its operating status is: posted for load restriction.

It carries about 5,500 vehicles a day, roughly 7% of them trucks, projected to reach 11,000 by 2040. The structure is 76 ft (23.1 m) long and 62 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1103
CrossesMill Creek
Location.2 MI.S.JCT.US70
RouteState Highway 1103
Coordinates35.62675, -82.18122
Functional classRural Major Collector

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47 US tons
Inventory rating28 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 15
Structure length76 ft (23.1 m)
Longest span25 ft (7.6 m)
Deck width62 ft (19 m)
Roadway width50 ft (15.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,500 (2022)
Projected traffic11,000 by 2040
Trucks7%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.9 mi (3 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—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1103 over Mill Creek built?

It was built in 1954, making it 71 years old in 2025. It was reconstructed in 1971.

What condition is SR1103 over Mill Creek 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 December 2023.

How much traffic does SR1103 over Mill Creek carry?

About 5,500 vehicles per day (2022 count), of which roughly 7% are trucks.

How long is SR1103 over Mill Creek?

The structure is 76 ft (23.1 m) long with a longest span of 25 ft (7.6 m) and a deck 62 ft wide.

Who owns SR1103 over Mill Creek?

It is owned by the State Highway Agency.