US Bridges

SH7 SB S-3 Lm 0.63 over Smackover Relief

Good

Ouachita County, Arkansas · 0.60 MI N of Union CO Lin · Structure no. 000000000006314

Built
1991
34 years old
Condition
Good
inspected November 2023
Type
Tee Beam
Concrete
Length
105 ft
3 main spans
Daily traffic
5,673
2018 count
Owner
State
State Highway Agency

About this bridge

SH7 SB S-3 Lm 0.63 over Smackover Relief is a concrete tee beam carrying SH7 SB S-3 Lm 0.63 over Smackover Relief in Ouachita County, Arkansas. It was built in 1991, so it is 34 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 5,673 vehicles a day, roughly 16% of them trucks, projected to reach 3,200 by 2038. The structure is 105 ft (32 m) long and 43 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesSH7 SB S-3 Lm 0.63
CrossesSmackover Relief
Location0.60 MI N of Union CO Lin
RouteState Highway 7
Coordinates33.37942, -92.78641
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionNovember 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 geometry7: Better than 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 typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length105 ft (32 m)
Longest span35 ft (10.7 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,673 (2018)
Projected traffic3,200 by 2038
Trucks16%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 SH7 SB S-3 Lm 0.63 over Smackover Relief built?

It was built in 1991, making it 34 years old in 2025.

What condition is SH7 SB S-3 Lm 0.63 over Smackover Relief 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 November 2023.

How much traffic does SH7 SB S-3 Lm 0.63 over Smackover Relief carry?

About 5,673 vehicles per day (2018 count), of which roughly 16% are trucks.

How long is SH7 SB S-3 Lm 0.63 over Smackover Relief?

The structure is 105 ft (32 m) long with a longest span of 35 ft (10.7 m) and a deck 43 ft wide.

Who owns SH7 SB S-3 Lm 0.63 over Smackover Relief?

It is owned by the State Highway Agency.