US Bridges

CR122/ Roberts Rd. over Alneta Creek

Good

Pulaski County, Arkansas · 2.86 M N Kanis · Structure no. 000000000022700

Built
2003
22 years old
Condition
Good
inspected June 2023
Type
Truss - Thru
Steel
Length
41 ft
1 main span
Daily traffic
512
2018 count
Owner
County
County Highway Agency

About this bridge

CR122/ Roberts Rd. over Alneta Creek is a steel truss - thru carrying CR122/ Roberts Rd. over Alneta Creek in Pulaski County, Arkansas. It was built in 2003, so it is 22 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 512 vehicles a day, roughly 1% of them trucks, projected to reach 32 by 2023. The structure is 41 ft (12.5 m) long and 21 ft wide.

CarriesCR122/ Roberts Rd.
CrossesAlneta Creek
Location2.86 M N Kanis
RouteCounty Highway 122
Coordinates34.78433, -92.53986
Functional classUrban Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJune 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment4: Meets minimum tolerable limits to be left in place as is
Operating rating58 US tons
Inventory rating35.1 US tons

Structure

Structure typeTruss - Thru
MaterialSteel
DeckCorrugated steel
Main spans1
Design loadHS 20
Structure length41 ft (12.5 m)
Longest span40 ft (12.2 m)
Deck width21 ft (6.4 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic512 (2018)
Projected traffic32 by 2023
Trucks1%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR122/ Roberts Rd. over Alneta Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is CR122/ Roberts Rd. over Alneta Creek 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 June 2023.

How much traffic does CR122/ Roberts Rd. over Alneta Creek carry?

About 512 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR122/ Roberts Rd. over Alneta Creek?

The structure is 41 ft (12.5 m) long with a longest span of 40 ft (12.2 m) and a deck 21 ft wide.

Who owns CR122/ Roberts Rd. over Alneta Creek?

It is owned by the County Highway Agency.