US Bridges

SR1258 over Simpson Creek

Good

Burke County, North Carolina · .4 MI.W.JCT.NC181 · Structure no. 000000000230131

Built
2018
7 years old
Condition
Good
inspected March 2023
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
25 ft
1 main span
Daily traffic
400
2021 count
Owner
State
State Highway Agency

About this bridge

SR1258 over Simpson Creek is a aluminum, wrought iron, or cast iron culvert carrying SR1258 over Simpson Creek in Burke County, North Carolina. It was built in 2018, so it is 7 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 9 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 400 vehicles a day, roughly 6% of them trucks, projected to reach 800 by 2040. The structure is 25 ft (7.6 m) long. If it were closed, the detour would be 5.6 mi (9 km).

CarriesSR1258
CrossesSimpson Creek
Location.4 MI.W.JCT.NC181
RouteState Highway 1258
Coordinates35.85006, -81.7869
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
Channel and channel protection8 Very GoodNo problems noted.
Culvert9 ExcellentNo problems noted.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.9 US tons
Inventory rating54.9 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHL 93
Structure length25 ft (7.6 m)
Longest span25 ft (7.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2021)
Projected traffic800 by 2040
Trucks6%
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 SR1258 over Simpson Creek built?

It was built in 2018, making it 7 years old in 2025.

What condition is SR1258 over Simpson 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 March 2023.

How much traffic does SR1258 over Simpson Creek carry?

About 400 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1258 over Simpson Creek?

The structure is 25 ft (7.6 m) long with a longest span of 25 ft (7.6 m).

Who owns SR1258 over Simpson Creek?

It is owned by the State Highway Agency.