US Bridges

S-B Road over Mill Bayou

Good

Arkansas County, Arkansas · 2.0 MI S SH 130-YODER · Structure no. 000000000024248

Built
2022
3 years old
Condition
Good
inspected December 2024
Type
Other
Steel
Length
45 ft
1 main span
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

S-B Road over Mill Bayou is a steel other carrying S-B Road over Mill Bayou in Arkansas County, Arkansas. It was built in 2022, so it is 3 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 100 vehicles a day, projected to reach 120 by 2040. The structure is 45 ft (13.6 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesS-B Road
CrossesMill Bayou
Location2.0 MI S SH 130-YODER
RouteCounty Highway 999
CountyArkansas County
StateArkansas
Coordinates34.4502, -91.44818
Functional classRural Local

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.
Substructure8 Very GoodNo problems noted.
Channel and channel protection8 Very GoodNo problems noted.
Last inspectionDecember 2024
Inspection intervalevery 12 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeOther
MaterialSteel
DeckSteel plate
Main spans1
Design loadUnknown
Structure length45 ft (13.6 m)
Longest span34 ft (10.4 m)
Deck width21 ft (6.5 m)
Roadway width21 ft (6.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic120 by 2040
Trucks—
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 S-B Road over Mill Bayou built?

It was built in 2022, making it 3 years old in 2025.

What condition is S-B Road over Mill 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 December 2024.

How much traffic does S-B Road over Mill Bayou carry?

About 100 vehicles per day (2019 count).

How long is S-B Road over Mill Bayou?

The structure is 45 ft (13.6 m) long with a longest span of 34 ft (10.4 m) and a deck 21 ft wide.

Who owns S-B Road over Mill Bayou?

It is owned by the County Highway Agency.