US Bridges

US421S over Tick Creek

Good

Chatham County, North Carolina · 0.3 Mi. N.. Jct. SR2120 · Structure no. 000000000370509

Built
2008
17 years old
Condition
Good
inspected February 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
123 ft
3 main spans
Daily traffic
6,750
2022 count
Owner
State
State Highway Agency

About this bridge

US421S over Tick Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying US421S over Tick Creek in Chatham 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 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 6,750 vehicles a day, roughly 14% of them trucks, projected to reach 13,500 by 2040. The structure is 123 ft (37.4 m) long and 39 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesUS421S
CrossesTick Creek
Location0.3 Mi. N.. Jct. SR2120
RouteU.S. Route 421
Coordinates35.66024, -79.40108
Functional classRural Principal Arterial - Other

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.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating92.9 US tons
Inventory rating51.9 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3 (+2 approach)
Design loadHS 20 + Mod
Structure length123 ft (37.4 m)
Longest span39 ft (11.8 m)
Deck width39 ft (11.8 m)
Roadway width35 ft (10.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic6,750 (2022)
Projected traffic13,500 by 2040
Trucks14%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemYes

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 US421S over Tick Creek built?

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

What condition is US421S over Tick 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 February 2024.

How much traffic does US421S over Tick Creek carry?

About 6,750 vehicles per day (2022 count), of which roughly 14% are trucks.

How long is US421S over Tick Creek?

The structure is 123 ft (37.4 m) long with a longest span of 39 ft (11.8 m) and a deck 39 ft wide.

Who owns US421S over Tick Creek?

It is owned by the State Highway Agency.