US Bridges

SR1346 over Mill Creek

Good

Orange County, North Carolina · 0.6 Mi.N. Jct. SR1306 · Structure no. 000000001350216

Built
2008
17 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
110 ft
3 main spans
Daily traffic
400
2021 count
Owner
State
State Highway Agency

About this bridge

SR1346 over Mill Creek is a prestressed concrete slab carrying SR1346 over Mill Creek in Orange County, North Carolina. It was built in 2008, so it is 17 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 8 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 720 by 2040. The structure is 110 ft (33.5 m) long and 33 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR1346
CrossesMill Creek
Location0.6 Mi.N. Jct. SR1306
RouteState Highway 1346
Coordinates36.1197, -79.24961
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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating90.9 US tons
Inventory rating53.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length110 ft (33.5 m)
Longest span54 ft (16.4 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic400 (2021)
Projected traffic720 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 SR1346 over Mill Creek built?

It was built in 2008, making it 17 years old in 2025.

What condition is SR1346 over Mill 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 October 2024.

How much traffic does SR1346 over Mill Creek carry?

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

How long is SR1346 over Mill Creek?

The structure is 110 ft (33.5 m) long with a longest span of 54 ft (16.4 m) and a deck 33 ft wide.

Who owns SR1346 over Mill Creek?

It is owned by the State Highway Agency.