US Bridges

W Markham St. over Rock Creek

Good

Pulaski County, Arkansas · 1.25 MI W I -430 · Structure no. 000000000004177

Built
1960
65 years old, rebuilt 1985
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
152 ft
2 main spans
Daily traffic
28,000
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

W Markham St. over Rock Creek is a steel stringer/multi-beam or girder carrying W Markham St. over Rock Creek in Pulaski County, Arkansas. It was built in 1960 and reconstructed in 1985, so it is 65 years old, older 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 28,000 vehicles a day, roughly 1% of them trucks, projected to reach 32,000 by 2032. The structure is 152 ft (46.3 m) long and 62 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesW Markham St.
CrossesRock Creek
Location1.25 MI W I -430
RouteCity Street 36130
Coordinates34.75388, -92.40479
Functional classUrban Minor Arterial

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 protection8 Very GoodNo problems noted.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length152 ft (46.3 m)
Longest span75 ft (22.9 m)
Deck width62 ft (19 m)
Roadway width51 ft (15.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic28,000 (2018)
Projected traffic32,000 by 2032
Trucks1%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 W Markham St. over Rock Creek built?

It was built in 1960, making it 65 years old in 2025. It was reconstructed in 1985.

What condition is W Markham St. over Rock 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 September 2023.

How much traffic does W Markham St. over Rock Creek carry?

About 28,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is W Markham St. over Rock Creek?

The structure is 152 ft (46.3 m) long with a longest span of 75 ft (22.9 m) and a deck 62 ft wide.

Who owns W Markham St. over Rock Creek?

It is owned by the City or Municipal Highway Agency.