US Bridges

SH13 N.Bypassrmp over Rocky Branch

Good

White County, Arkansas · Jct.N.Main&n.Bypass(ramp) · Structure no. 0000000000X1484

Built
2016
9 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
86 ft
9 main spans
Daily traffic
12
2017 count
Owner
State
State Highway Agency

About this bridge

SH13 N.Bypassrmp over Rocky Branch is a concrete culvert carrying SH13 N.Bypassrmp over Rocky Branch in White County, Arkansas. It was built in 2016, so it is 9 years old, younger than the Arkansas average of 45.1 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 12 vehicles a day, roughly 1% of them trucks, projected to reach 250 by 2035. The structure is 86 ft (26.2 m) long. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSH13 N.Bypassrmp
CrossesRocky Branch
LocationJct.N.Main&n.Bypass(ramp)
RouteState Highway 13
Coordinates35.26681, -91.73415
Functional classUrban Collector

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating50 US tons
Inventory rating36 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, precast panels
Main spans9
Design loadHL 93
Structure length86 ft (26.2 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12 (2017)
Projected traffic250 by 2035
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 SH13 N.Bypassrmp over Rocky Branch built?

It was built in 2016, making it 9 years old in 2025.

What condition is SH13 N.Bypassrmp over Rocky 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 February 2025.

How much traffic does SH13 N.Bypassrmp over Rocky Branch carry?

About 12 vehicles per day (2017 count), of which roughly 1% are trucks.

How long is SH13 N.Bypassrmp over Rocky Branch?

The structure is 86 ft (26.2 m) long with a longest span of 8 ft (2.4 m).

Who owns SH13 N.Bypassrmp over Rocky Branch?

It is owned by the State Highway Agency.