US Bridges

SR1145 over I-85S

Fair

Guilford County, North Carolina · 1.28 Mi. N. Jct. NC62 · Structure no. 000000000810543

Built
1981
44 years old
Condition
Fair
inspected March 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
164 ft
3 main spans
Daily traffic
900
2019 count
Owner
State
State Highway Agency

About this bridge

SR1145 over I-85S is a steel stringer/multi-beam or girder carrying SR1145 over I-85S in Guilford County, North Carolina. It was built in 1981, so it is 44 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 900 vehicles a day, roughly 6% of them trucks, projected to reach 1,800 by 2040. The structure is 164 ft (49.9 m) long and 35 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1145
CrossesI-85S
Location1.28 Mi. N. Jct. NC62
RouteState Highway 1145
Coordinates35.94274, -79.90408
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating99 US tons
Inventory rating59 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length164 ft (49.9 m)
Longest span101 ft (30.7 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic900 (2019)
Projected traffic1,800 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed1.9 mi (3 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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1145 over I-85S built?

It was built in 1981, making it 44 years old in 2025.

What condition is SR1145 over I-85S 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 March 2024.

How much traffic does SR1145 over I-85S carry?

About 900 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1145 over I-85S?

The structure is 164 ft (49.9 m) long with a longest span of 101 ft (30.7 m) and a deck 35 ft wide.

Who owns SR1145 over I-85S?

It is owned by the State Highway Agency.