US Bridges

SR1891 over I77

FairPosted for load

Iredell County, North Carolina · 0.3 Mi. W. Jct. SR1886 · Structure no. 000000000970203

Built
1973
52 years old
Condition
Fair
inspected June 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
304 ft
2 main spans
Daily traffic
500
2022 count
Owner
State
State Highway Agency

About this bridge

SR1891 over I77 is a steel continuous stringer/multi-beam or girder carrying SR1891 over I77 in Iredell County, North Carolina. It was built in 1973, so it is 52 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. Its operating status is: posted for load restriction.

It carries about 500 vehicles a day, roughly 6% of them trucks, projected to reach 1,000 by 2040. The structure is 304 ft (92.6 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1891
CrossesI77
Location0.3 Mi. W. Jct. SR1886
RouteState Highway 1891
Coordinates35.93755, -80.85411
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJune 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating25.9 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2 (+2 approach)
Design loadHS 15
Structure length304 ft (92.6 m)
Longest span106 ft (32.3 m)
Deck width32 ft (9.9 m)
Roadway width29 ft (8.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic500 (2022)
Projected traffic1,000 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 SR1891 over I77 built?

It was built in 1973, making it 52 years old in 2025.

What condition is SR1891 over I77 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 June 2024.

How much traffic does SR1891 over I77 carry?

About 500 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1891 over I77?

The structure is 304 ft (92.6 m) long with a longest span of 106 ft (32.3 m) and a deck 32 ft wide.

Who owns SR1891 over I77?

It is owned by the State Highway Agency.