US Bridges

SR1730 over Middle Little River

Fair

Caldwell County, North Carolina · .4 MI.N.JCT.SR1732 · Structure no. 000000000270056

Built
2007
18 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
38 ft
1 main span
Daily traffic
160
2019 count
Owner
State
State Highway Agency

About this bridge

SR1730 over Middle Little River is a steel stringer/multi-beam or girder carrying SR1730 over Middle Little River in Caldwell County, North Carolina. It was built in 2007, so it is 18 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 fair condition with a lowest component rating of 6 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 160 vehicles a day, roughly 6% of them trucks, projected to reach 320 by 2040. The structure is 38 ft (11.5 m) long and 25 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesSR1730
CrossesMiddle Little River
Location.4 MI.N.JCT.SR1732
RouteState Highway 1730
Coordinates35.92927, -81.35238
Functional classRural Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation6: Equal to 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 rating71 US tons
Inventory rating42 US tons

Structure

MaterialSteel
DeckWood or timber
Main spans1
Design loadUnknown
Structure length38 ft (11.5 m)
Longest span35 ft (10.6 m)
Deck width25 ft (7.6 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic160 (2019)
Projected traffic320 by 2040
Trucks6%
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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SR1730 over Middle Little River built?

It was built in 2007, making it 18 years old in 2025.

What condition is SR1730 over Middle 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 April 2024.

How much traffic does SR1730 over Middle Little River carry?

About 160 vehicles per day (2019 count), of which roughly 6% are trucks.

How long is SR1730 over Middle Little River?

The structure is 38 ft (11.5 m) long with a longest span of 35 ft (10.6 m) and a deck 25 ft wide.

Who owns SR1730 over Middle Little River?

It is owned by the State Highway Agency.