US Bridges

SR1137 over Silas Creek

Good

Forsyth County, North Carolina · 0.4 Mi. W. Jct. SR1120 · Structure no. 000000000670152

Built
2015
10 years old
Condition
Good
inspected December 2023
Type
Slab
Concrete
Length
92 ft
2 main spans
Daily traffic
3,500
2019 count
Owner
State
State Highway Agency

About this bridge

SR1137 over Silas Creek is a concrete slab carrying SR1137 over Silas Creek in Forsyth County, North Carolina. It was built in 2015, so it is 10 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 3,500 vehicles a day, roughly 7% of them trucks, projected to reach 7,000 by 2040. The structure is 92 ft (28 m) long and 33 ft wide. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR1137
CrossesSilas Creek
Location0.4 Mi. W. Jct. SR1120
RouteState Highway 1137
Coordinates36.04583, -80.35401
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 inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.9 US tons
Inventory rating42 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHL 93
Structure length92 ft (28 m)
Longest span59 ft (17.9 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,500 (2019)
Projected traffic7,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5.6 mi (9 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 SR1137 over Silas Creek built?

It was built in 2015, making it 10 years old in 2025.

What condition is SR1137 over Silas 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 SR1137 over Silas Creek carry?

About 3,500 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR1137 over Silas Creek?

The structure is 92 ft (28 m) long with a longest span of 59 ft (17.9 m) and a deck 33 ft wide.

Who owns SR1137 over Silas Creek?

It is owned by the State Highway Agency.