US Bridges

US 70 - 05 - 3.79 over Rock Creek

Fair

Pike County, Arkansas · 3.8 MI No of Kirby · Structure no. 0000000000A0409

Built
1928
97 years old, rebuilt 1962
Condition
Fair
inspected July 2024
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
4,004
2018 count
Owner
State
State Highway Agency

About this bridge

US 70 - 05 - 3.79 over Rock Creek is a concrete tee beam carrying US 70 - 05 - 3.79 over Rock Creek in Pike County, Arkansas. It was built in 1928 and reconstructed in 1962, so it is 97 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 4,004 vehicles a day, roughly 16% of them trucks, projected to reach 4,389 by 2028. The structure is 34 ft (10.4 m) long and 33 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesUS 70 - 05 - 3.79
CrossesRock Creek
Location3.8 MI No of Kirby
RouteU.S. Route 70
Coordinates34.3017, -93.62523
Functional classRural Minor Arterial

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to 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 alignment7: Better than present minimum criteria
Operating rating57 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width33 ft (10.1 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic4,004 (2018)
Projected traffic4,389 by 2028
Trucks16%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$51,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 70 - 05 - 3.79 over Rock Creek built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1962.

What condition is US 70 - 05 - 3.79 over Rock Creek in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does US 70 - 05 - 3.79 over Rock Creek carry?

About 4,004 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is US 70 - 05 - 3.79 over Rock Creek?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 33 ft wide.

Who owns US 70 - 05 - 3.79 over Rock Creek?

It is owned by the State Highway Agency.