US Bridges

SR1100 over Big Buffalo Creek

Good

Lee County, North Carolina · 0.3 MI.W.JCT.US1 U15 501 · Structure no. 000000001050090

Built
1989
36 years old
Condition
Good
inspected June 2024
Type
Culvert
Concrete
Length
55 ft
4 main spans
Daily traffic
10,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR1100 over Big Buffalo Creek is a concrete culvert carrying SR1100 over Big Buffalo Creek in Lee County, North Carolina. It was built in 1989, so it is 36 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 10,000 vehicles a day, roughly 6% of them trucks, projected to reach 20,000 by 2040. The structure is 55 ft (16.7 m) long. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1100
CrossesBig Buffalo Creek
Location0.3 MI.W.JCT.US1 U15 501
RouteState Highway 1100
Coordinates35.48794, -79.20275
Functional classUrban Minor Arterial

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 protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert7 GoodSome minor problems.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating62.9 US tons
Inventory rating48.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans4
Design loadHL 93
Structure length55 ft (16.7 m)
Longest span12 ft (3.6 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10,000 (2021)
Projected traffic20,000 by 2040
Trucks6%
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 SR1100 over Big Buffalo Creek built?

It was built in 1989, making it 36 years old in 2025.

What condition is SR1100 over Big Buffalo 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 June 2024.

How much traffic does SR1100 over Big Buffalo Creek carry?

About 10,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1100 over Big Buffalo Creek?

The structure is 55 ft (16.7 m) long with a longest span of 12 ft (3.6 m).

Who owns SR1100 over Big Buffalo Creek?

It is owned by the State Highway Agency.