US Bridges

CR308-K Northcutt over I-40 Log 179.34

Fair

Lonoke County, Arkansas · 1.4 M N US 70 · Structure no. 000000000003653

Built
1963
62 years old
Condition
Fair
inspected April 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
212 ft
4 main spans
Daily traffic
86
1987 count
Owner
State
State Highway Agency

About this bridge

CR308-K Northcutt over I-40 Log 179.34 is a steel stringer/multi-beam or girder carrying CR308-K Northcutt over I-40 Log 179.34 in Lonoke County, Arkansas. It was built in 1963, so it is 62 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 86 vehicles a day, roughly 1% of them trucks, projected to reach 156 by 2007. The structure is 212 ft (64.6 m) long and 25 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesCR308-K Northcutt
CrossesI-40 Log 179.34
Location1.4 M N US 70
RouteCounty Highway 308
Coordinates34.79853, -91.80603
Functional classRural Minor Collector

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.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating48 US tons
Inventory rating29 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length212 ft (64.6 m)
Longest span66 ft (20.1 m)
Deck width25 ft (7.5 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic86 (1987)
Projected traffic156 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesHighway
Detour if closed6.2 mi (10 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 proposedWidening of existing bridge without deck rehabilitation
Estimated improvement cost$220,000
NavigationNot applicable (no waterway)

Frequently asked questions

When was CR308-K Northcutt over I-40 Log 179.34 built?

It was built in 1963, making it 62 years old in 2025.

What condition is CR308-K Northcutt over I-40 Log 179.34 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 April 2024.

How much traffic does CR308-K Northcutt over I-40 Log 179.34 carry?

About 86 vehicles per day (1987 count), of which roughly 1% are trucks.

How long is CR308-K Northcutt over I-40 Log 179.34?

The structure is 212 ft (64.6 m) long with a longest span of 66 ft (20.1 m) and a deck 25 ft wide.

Who owns CR308-K Northcutt over I-40 Log 179.34?

It is owned by the State Highway Agency.