US Bridges

SR1735 over Middle Prong Roaring Riv

Good

Wilkes County, North Carolina · .1 MI.S.JCT.SR1736 · Structure no. 000000001930158

Built
1994
31 years old
Condition
Good
inspected October 2024
Type
Slab
Prestressed Concrete
Length
117 ft
3 main spans
Daily traffic
580
2022 count
Owner
State
State Highway Agency

About this bridge

SR1735 over Middle Prong Roaring Riv is a prestressed concrete slab carrying SR1735 over Middle Prong Roaring Riv in Wilkes County, North Carolina. It was built in 1994, so it is 31 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 580 vehicles a day, roughly 6% of them trucks, projected to reach 1,160 by 2040. The structure is 117 ft (35.6 m) long and 27 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesSR1735
CrossesMiddle Prong Roaring Riv
Location.1 MI.S.JCT.SR1736
RouteState Highway 1735
Coordinates36.35068, -81.10885
Functional classRural Local

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.
Channel and channel protection7 GoodSome minor problems.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourUnknown foundation; not evaluated for scour
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating88 US tons
Inventory rating52.9 US tons

Structure

Structure typeSlab
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20 + Mod
Structure length117 ft (35.6 m)
Longest span44 ft (13.4 m)
Deck width27 ft (8.2 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic580 (2022)
Projected traffic1,160 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 SR1735 over Middle Prong Roaring Riv built?

It was built in 1994, making it 31 years old in 2025.

What condition is SR1735 over Middle Prong Roaring Riv 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 October 2024.

How much traffic does SR1735 over Middle Prong Roaring Riv carry?

About 580 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is SR1735 over Middle Prong Roaring Riv?

The structure is 117 ft (35.6 m) long with a longest span of 44 ft (13.4 m) and a deck 27 ft wide.

Who owns SR1735 over Middle Prong Roaring Riv?

It is owned by the State Highway Agency.