US Bridges

NC97 over Little River

Fair

Wake County, North Carolina · 0.9 Mi.E.Of SR2325 · Structure no. 000000001830003

Built
1986
39 years old
Condition
Fair
inspected July 2024
Type
Slab
Prestressed Concrete
Length
172 ft
4 main spans
Daily traffic
8,300
2022 count
Owner
State
State Highway Agency

About this bridge

NC97 over Little River is a prestressed concrete slab carrying NC97 over Little River in Wake County, North Carolina. It was built in 1986, so it is 39 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 5 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 8,300 vehicles a day, roughly 8% of them trucks, projected to reach 16,600 by 2040. The structure is 172 ft (52.4 m) long and 33 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesNC97
CrossesLittle River
Location0.9 Mi.E.Of SR2325
RouteState Highway 97
Coordinates35.82192, -78.35208
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72 US tons
Inventory rating43 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans4
Design loadHS 20 + Mod
Structure length172 ft (52.4 m)
Longest span42 ft (12.8 m)
Deck width33 ft (10 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic8,300 (2022)
Projected traffic16,600 by 2040
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was NC97 over Little River built?

It was built in 1986, making it 39 years old in 2025.

What condition is NC97 over Little River 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 July 2024.

How much traffic does NC97 over Little River carry?

About 8,300 vehicles per day (2022 count), of which roughly 8% are trucks.

How long is NC97 over Little River?

The structure is 172 ft (52.4 m) long with a longest span of 42 ft (12.8 m) and a deck 33 ft wide.

Who owns NC97 over Little River?

It is owned by the State Highway Agency.