US Bridges

SH 172 S-2 Lm 3.01 over Big Slough

Good

Bradley County, Arkansas · 3.03 MI S JCT US 278 · Structure no. 000000000006199

Built
1988
37 years old
Condition
Good
inspected May 2022
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
112
2018 count
Owner
State
State Highway Agency

About this bridge

SH 172 S-2 Lm 3.01 over Big Slough is a concrete channel beam carrying SH 172 S-2 Lm 3.01 over Big Slough in Bradley County, Arkansas. It was built in 1988, so it is 37 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 112 vehicles a day, roughly 1% of them trucks, projected to reach 217 by 2028. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 14.9 mi (24 km).

CarriesSH 172 S-2 Lm 3.01
CrossesBig Slough
Location3.03 MI S JCT US 278
RouteState Highway 172
Coordinates33.56659, -91.98495
Functional classRural Major 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 protection8 Very GoodNo problems noted.
Last inspectionMay 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 alignment9: Superior to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.4 m)
Roadway width28 ft (8.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic112 (2018)
Projected traffic217 by 2028
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed14.9 mi (24 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 172 S-2 Lm 3.01 over Big Slough built?

It was built in 1988, making it 37 years old in 2025.

What condition is SH 172 S-2 Lm 3.01 over Big Slough 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 May 2022.

How much traffic does SH 172 S-2 Lm 3.01 over Big Slough carry?

About 112 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 172 S-2 Lm 3.01 over Big Slough?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns SH 172 S-2 Lm 3.01 over Big Slough?

It is owned by the State Highway Agency.