US Bridges

I-55N/SEC11/L12.67 over 15 Mile Bayou

Good

Crittenden County, Arkansas · 2.50 MI N of Marion Ark · Structure no. 000000000002808

Built
1956
69 years old, rebuilt 2014
Condition
Good
inspected April 2022
Type
Slab
Concrete Continuous
Length
81 ft
3 main spans
Daily traffic
29,000
2018 count
Owner
State
State Highway Agency

About this bridge

I-55N/SEC11/L12.67 over 15 Mile Bayou is a concrete continuous slab carrying I-55N/SEC11/L12.67 over 15 Mile Bayou in Crittenden County, Arkansas. It was built in 1956 and reconstructed in 2014, so it is 69 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 29,000 vehicles a day, roughly 34% of them trucks, projected to reach 17,922 by 2028. The structure is 81 ft (24.7 m) long and 42 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-55N/SEC11/L12.67
Crosses15 Mile Bayou
Location2.50 MI N of Marion Ark
RouteInterstate 55
Coordinates35.24716, -90.21957
Functional classRural Principal Arterial - Interstate

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 inspectionApril 2022
Inspection intervalevery 48 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 typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length81 ft (24.7 m)
Longest span30 ft (9.1 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic29,000 (2018)
Projected traffic17,922 by 2028
Trucks34%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I-55N/SEC11/L12.67 over 15 Mile Bayou built?

It was built in 1956, making it 69 years old in 2025. It was reconstructed in 2014.

What condition is I-55N/SEC11/L12.67 over 15 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 April 2022.

How much traffic does I-55N/SEC11/L12.67 over 15 Mile Bayou carry?

About 29,000 vehicles per day (2018 count), of which roughly 34% are trucks.

How long is I-55N/SEC11/L12.67 over 15 Mile Bayou?

The structure is 81 ft (24.7 m) long with a longest span of 30 ft (9.1 m) and a deck 42 ft wide.

Who owns I-55N/SEC11/L12.67 over 15 Mile Bayou?

It is owned by the State Highway Agency.