US Bridges

SR1158 over I74 US311 Mile Branch

Good

Guilford County, North Carolina · 0.25 Mi. S. Jct. SR1188 · Structure no. 000000000810055

Built
2008
17 years old
Condition
Good
inspected June 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
371 ft
3 main spans
Daily traffic
1,200
2019 count
Owner
State
State Highway Agency

About this bridge

SR1158 over I74 US311 Mile Branch is a steel continuous stringer/multi-beam or girder carrying SR1158 over I74 US311 Mile Branch in Guilford County, North Carolina. It was built in 2008, so it is 17 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 1,200 vehicles a day, roughly 7% of them trucks, projected to reach 2,400 by 2040. The structure is 371 ft (113 m) long and 37 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1158
CrossesI74 US311 Mile Branch
Location0.25 Mi. S. Jct. SR1188
RouteState Highway 1158
Coordinates35.93632, -79.94739
Functional classUrban Local

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 inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating60 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length371 ft (113 m)
Longest span129 ft (39.3 m)
Deck width37 ft (11.3 m)
Roadway width34 ft (10.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,200 (2019)
Projected traffic2,400 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway and waterway
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1158 over I74 US311 Mile Branch built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR1158 over I74 US311 Mile Branch 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 June 2023.

How much traffic does SR1158 over I74 US311 Mile Branch carry?

About 1,200 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR1158 over I74 US311 Mile Branch?

The structure is 371 ft (113 m) long with a longest span of 129 ft (39.3 m) and a deck 37 ft wide.

Who owns SR1158 over I74 US311 Mile Branch?

It is owned by the State Highway Agency.