US Bridges

SR1106 over Prong Benton Branch

Good

Caswell County, North Carolina · 0.15 Mi. N. Jct. SR1108 · Structure no. 000000000330030

Built
1999
26 years old
Condition
Good
inspected May 2021
Type
Culvert
Aluminum, Wrought Iron, or Cast Iron
Length
21 ft
1 main span
Daily traffic
510
2016 count
Owner
State
State Highway Agency

About this bridge

SR1106 over Prong Benton Branch is a aluminum, wrought iron, or cast iron culvert carrying SR1106 over Prong Benton Branch in Caswell County, North Carolina. It was built in 1999, so it is 26 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 510 vehicles a day, roughly 6% of them trucks, projected to reach 1,020 by 2040. The structure is 21 ft (6.4 m) long. If it were closed, the detour would be 1.9 mi (3 km).

CarriesSR1106
CrossesProng Benton Branch
Location0.15 Mi. N. Jct. SR1108
RouteState Highway 1106
Coordinates36.28054, -79.41856
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
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionMay 2021
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating42 US tons
Inventory rating42 US tons

Structure

Structure typeCulvert
MaterialAluminum, Wrought Iron, or Cast Iron
DeckNot applicable
Main spans1
Design loadHS 20 + Mod
Structure length21 ft (6.4 m)
Longest span21 ft (6.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic510 (2016)
Projected traffic1,020 by 2040
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 SR1106 over Prong Benton Branch built?

It was built in 1999, making it 26 years old in 2025.

What condition is SR1106 over Prong Benton Branch 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 May 2021.

How much traffic does SR1106 over Prong Benton Branch carry?

About 510 vehicles per day (2016 count), of which roughly 6% are trucks.

How long is SR1106 over Prong Benton Branch?

The structure is 21 ft (6.4 m) long with a longest span of 21 ft (6.4 m).

Who owns SR1106 over Prong Benton Branch?

It is owned by the State Highway Agency.