US Bridges

SR1346 over Greenbriar Creek

FairPosted for load

Chatham County, North Carolina · 0.15 Mi. E. Jct. SR1357 · Structure no. 000000000370277

Built
1951
74 years old
Condition
Fair
inspected May 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
75 ft
2 main spans
Daily traffic
600
2018 count
Owner
State
State Highway Agency

About this bridge

SR1346 over Greenbriar Creek is a steel stringer/multi-beam or girder carrying SR1346 over Greenbriar Creek in Chatham County, North Carolina. It was built in 1951, so it is 74 years old, older than the North Carolina average of 38.7 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 600 vehicles a day, roughly 6% of them trucks, projected to reach 1,200 by 2040. The structure is 75 ft (22.8 m) long and 28 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

Location

Open in Google Maps
CarriesSR1346
CrossesGreenbriar Creek
Location0.15 Mi. E. Jct. SR1357
RouteState Highway 1346
CountyChatham County
StateNorth Carolina
Coordinates35.8211, -79.48513
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating33 US tons
Inventory rating20 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 15
Structure length75 ft (22.8 m)
Longest span36 ft (10.9 m)
Deck width28 ft (8.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic600 (2018)
Projected traffic1,200 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1346 over Greenbriar Creek built?

It was built in 1951, making it 74 years old in 2025.

What condition is SR1346 over Greenbriar Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in May 2023.

How much traffic does SR1346 over Greenbriar Creek carry?

About 600 vehicles per day (2018 count), of which roughly 6% are trucks.

How long is SR1346 over Greenbriar Creek?

The structure is 75 ft (22.8 m) long with a longest span of 36 ft (10.9 m) and a deck 28 ft wide.

Who owns SR1346 over Greenbriar Creek?

It is owned by the State Highway Agency.