US Bridges

KUHN/Z-C/L-12.66 over Fifteen Mile Bayou

Good

Crittenden County, Arkansas · .50 Miles South JCT US 70 · Structure no. 000000000004670

Built
1997
28 years old
Condition
Good
inspected July 2023
Type
Channel Beam
Concrete
Length
125 ft
5 main spans
Daily traffic
220
2018 count
Owner
County
County Highway Agency

About this bridge

KUHN/Z-C/L-12.66 over Fifteen Mile Bayou is a concrete channel beam carrying KUHN/Z-C/L-12.66 over Fifteen Mile Bayou in Crittenden County, Arkansas. It was built in 1997, so it is 28 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 220 vehicles a day, roughly 60% of them trucks, projected to reach 300 by 2038. The structure is 125 ft (38.1 m) long and 31 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

Open in Google Maps
CarriesKUHN/Z-C/L-12.66
CrossesFifteen Mile Bayou
Location.50 Miles South JCT US 70
RouteCounty Highway 5
CountyCrittenden County
StateArkansas
Coordinates35.13994, -90.25541
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 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 geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans5
Design loadHS 20
Structure length125 ft (38.1 m)
Longest span25 ft (7.6 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic220 (2018)
Projected traffic300 by 2038
Trucks60%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was KUHN/Z-C/L-12.66 over Fifteen Mile Bayou built?

It was built in 1997, making it 28 years old in 2025.

What condition is KUHN/Z-C/L-12.66 over Fifteen Mile Bayou 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 July 2023.

How much traffic does KUHN/Z-C/L-12.66 over Fifteen Mile Bayou carry?

About 220 vehicles per day (2018 count), of which roughly 60% are trucks.

How long is KUHN/Z-C/L-12.66 over Fifteen Mile Bayou?

The structure is 125 ft (38.1 m) long with a longest span of 25 ft (7.6 m) and a deck 31 ft wide.

Who owns KUHN/Z-C/L-12.66 over Fifteen Mile Bayou?

It is owned by the County Highway Agency.