US Bridges

SR1004 over US421

Good

Chatham County, North Carolina · 0.3 Mi. S. Jct. SR1363 · Structure no. 000000000370445

Built
1984
41 years old
Condition
Good
inspected February 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
232 ft
2 main spans
Daily traffic
4,000
2016 count
Owner
State
State Highway Agency

About this bridge

SR1004 over US421 is a steel stringer/multi-beam or girder carrying SR1004 over US421 in Chatham County, North Carolina. It was built in 1984, so it is 41 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 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 4,000 vehicles a day, roughly 7% of them trucks, projected to reach 8,000 by 2040. The structure is 232 ft (70.7 m) long and 43 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesSR1004
CrossesUS421
Location0.3 Mi. S. Jct. SR1363
RouteState Highway 1004
CountyChatham County
StateNorth Carolina
Coordinates35.74858, -79.44637
Functional classUrban Collector

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Last inspectionFebruary 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment7: Better than present minimum criteria
Operating rating99 US tons
Inventory rating70 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length232 ft (70.7 m)
Longest span116 ft (35.3 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,000 (2016)
Projected traffic8,000 by 2040
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
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—
NavigationNot applicable (no waterway)

Frequently asked questions

When was SR1004 over US421 built?

It was built in 1984, making it 41 years old in 2025.

What condition is SR1004 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 February 2022.

How much traffic does SR1004 over US421 carry?

About 4,000 vehicles per day (2016 count), of which roughly 7% are trucks.

How long is SR1004 over US421?

The structure is 232 ft (70.7 m) long with a longest span of 116 ft (35.3 m) and a deck 43 ft wide.

Who owns SR1004 over US421?

It is owned by the State Highway Agency.