US Bridges

SR1233 over Old Catawaba River

Fair

Burke County, North Carolina · 0.6 MI.N.JCT.US70 · Structure no. 000000000230048

Built
1966
59 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
340 ft
5 main spans
Daily traffic
2,000
2021 count
Owner
State
State Highway Agency

About this bridge

SR1233 over Old Catawaba River is a steel stringer/multi-beam or girder carrying SR1233 over Old Catawaba River in Burke County, North Carolina. It was built in 1966, so it is 59 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 2,000 vehicles a day, roughly 6% of them trucks, projected to reach 4,000 by 2040. The structure is 340 ft (103.6 m) long and 34 ft wide. If it were closed, the detour would be 11.8 mi (19 km).

CarriesSR1233
CrossesOld Catawaba River
Location0.6 MI.N.JCT.US70
RouteState Highway 1233
Coordinates35.71819, -81.85632
Functional classRural Minor Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
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 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 rating61.9 US tons
Inventory rating36.9 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans5
Design loadHS 15
Structure length340 ft (103.6 m)
Longest span67 ft (20.4 m)
Deck width34 ft (10.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,000 (2021)
Projected traffic4,000 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.8 mi (19 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 SR1233 over Old Catawaba River built?

It was built in 1966, making it 59 years old in 2025.

What condition is SR1233 over Old Catawaba 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 September 2023.

How much traffic does SR1233 over Old Catawaba River carry?

About 2,000 vehicles per day (2021 count), of which roughly 6% are trucks.

How long is SR1233 over Old Catawaba River?

The structure is 340 ft (103.6 m) long with a longest span of 67 ft (20.4 m) and a deck 34 ft wide.

Who owns SR1233 over Old Catawaba River?

It is owned by the State Highway Agency.