US Bridges

SH 1-01 Lm 9.70 over Boggy Bayou

Good

Desha County, Arkansas · 9.70 MI NE US65-MCARTHUR · Structure no. 000000000006933

Built
2004
21 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
133 ft
3 main spans
Daily traffic
1,900
2018 count
Owner
State
State Highway Agency

About this bridge

SH 1-01 Lm 9.70 over Boggy Bayou is a steel continuous stringer/multi-beam or girder carrying SH 1-01 Lm 9.70 over Boggy Bayou in Desha County, Arkansas. It was built in 2004, so it is 21 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 1,900 vehicles a day, roughly 10% of them trucks, projected to reach 1,731 by 2028. The structure is 133 ft (40.4 m) long and 43 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

CarriesSH 1-01 Lm 9.70
CrossesBoggy Bayou
Location9.70 MI NE US65-MCARTHUR
RouteState Highway 1
Coordinates33.73314, -91.29124
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 inspectionJanuary 2024
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 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

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length133 ft (40.4 m)
Longest span50 ft (15.2 m)
Deck width43 ft (13.1 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,900 (2018)
Projected traffic1,731 by 2028
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed29.8 mi (48 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 1-01 Lm 9.70 over Boggy Bayou built?

It was built in 2004, making it 21 years old in 2025.

What condition is SH 1-01 Lm 9.70 over Boggy 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 January 2024.

How much traffic does SH 1-01 Lm 9.70 over Boggy Bayou carry?

About 1,900 vehicles per day (2018 count), of which roughly 10% are trucks.

How long is SH 1-01 Lm 9.70 over Boggy Bayou?

The structure is 133 ft (40.4 m) long with a longest span of 50 ft (15.2 m) and a deck 43 ft wide.

Who owns SH 1-01 Lm 9.70 over Boggy Bayou?

It is owned by the State Highway Agency.