US Bridges

US 79-10 Lm 11.09 over Bear Bayou

Good

Jefferson County, Arkansas · 1.27 MI SW Arkco-Humphrey · Structure no. 000000000006664

Built
1998
27 years old
Condition
Good
inspected April 2023
Type
Slab
Concrete
Length
175 ft
5 main spans
Daily traffic
3,800
2018 count
Owner
State
State Highway Agency

About this bridge

US 79-10 Lm 11.09 over Bear Bayou is a concrete slab carrying US 79-10 Lm 11.09 over Bear Bayou in Jefferson County, Arkansas. It was built in 1998, so it is 27 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 3,800 vehicles a day, roughly 19% of them trucks, projected to reach 4,000 by 2038. The structure is 175 ft (53.3 m) long and 43 ft wide. If it were closed, the detour would be 39.8 mi (64 km).

CarriesUS 79-10 Lm 11.09
CrossesBear Bayou
Location1.27 MI SW Arkco-Humphrey
RouteU.S. Route 79
Coordinates34.41995, -91.72854
Functional classRural Principal Arterial - Other

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionApril 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span35 ft (10.7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,800 (2018)
Projected traffic4,000 by 2038
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed39.8 mi (64 km)
TollOn a free road
National Highway SystemYes

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 US 79-10 Lm 11.09 over Bear Bayou built?

It was built in 1998, making it 27 years old in 2025.

What condition is US 79-10 Lm 11.09 over Bear 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 2023.

How much traffic does US 79-10 Lm 11.09 over Bear Bayou carry?

About 3,800 vehicles per day (2018 count), of which roughly 19% are trucks.

How long is US 79-10 Lm 11.09 over Bear Bayou?

The structure is 175 ft (53.3 m) long with a longest span of 35 ft (10.7 m) and a deck 43 ft wide.

Who owns US 79-10 Lm 11.09 over Bear Bayou?

It is owned by the State Highway Agency.