US Bridges

SR1891 over US421

Good

Forsyth County, North Carolina · 2.87 MI.N.JCT.SR1103 · Structure no. 000000000670226

Built
2019
6 years old
Condition
Good
inspected November 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
244 ft
2 main spans
Daily traffic
19,500
2019 count
Owner
State
State Highway Agency

About this bridge

SR1891 over US421 is a prestressed concrete stringer/multi-beam or girder carrying SR1891 over US421 in Forsyth County, North Carolina. It was built in 2019, so it is 6 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 19,500 vehicles a day, roughly 7% of them trucks, projected to reach 39,000 by 2040. The structure is 244 ft (74.3 m) long and 90 ft wide.

CarriesSR1891
CrossesUS421
Location2.87 MI.N.JCT.SR1103
RouteState Highway 1891
Coordinates36.07283, -80.35805
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionNovember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.9 US tons
Inventory rating74 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans2
Design loadHL 93
Structure length244 ft (74.3 m)
Longest span119 ft (36.2 m)
Deck width90 ft (27.3 m)
Roadway width76 ft (23.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic19,500 (2019)
Projected traffic39,000 by 2040
Trucks7%
Lanes on structure3
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed—
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 SR1891 over US421 built?

It was built in 2019, making it 6 years old in 2025.

What condition is SR1891 over US421 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 November 2023.

How much traffic does SR1891 over US421 carry?

About 19,500 vehicles per day (2019 count), of which roughly 7% are trucks.

How long is SR1891 over US421?

The structure is 244 ft (74.3 m) long with a longest span of 119 ft (36.2 m) and a deck 90 ft wide.

Who owns SR1891 over US421?

It is owned by the State Highway Agency.