US Bridges

SR1337 over Grassy Creek

Good

Alexander County, North Carolina · 0.2 Mi. W. Jct. NC16 · Structure no. 000000000030087

Built
2015
10 years old
Condition
Good
inspected December 2021
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
102 ft
1 main span
Daily traffic
100
2016 count
Owner
State
State Highway Agency

About this bridge

SR1337 over Grassy Creek is a prestressed concrete box beam or girders - multiple carrying SR1337 over Grassy Creek in Alexander 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 100 vehicles a day, projected to reach 200 by 2040. The structure is 102 ft (31 m) long and 30 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1337
CrossesGrassy Creek
Location0.2 Mi. W. Jct. NC16
RouteState Highway 1337
Coordinates36.00107, -81.19042
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionDecember 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating80.9 US tons
Inventory rating50.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHL 93
Structure length102 ft (31 m)
Longest span101 ft (30.7 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2016)
Projected traffic200 by 2040
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
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 SR1337 over Grassy Creek built?

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

What condition is SR1337 over Grassy 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 2021.

How much traffic does SR1337 over Grassy Creek carry?

About 100 vehicles per day (2016 count).

How long is SR1337 over Grassy Creek?

The structure is 102 ft (31 m) long with a longest span of 101 ft (30.7 m) and a deck 30 ft wide.

Who owns SR1337 over Grassy Creek?

It is owned by the State Highway Agency.