US Bridges

Ar SH 1 & Mo SH Bb over St. Francis River

Fair

Clay County, Arkansas · 4.86 MI E of US 62 · Structure no. 000000000003783

Built
1964
61 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
549 ft
3 main spans
Daily traffic
620
2018 count
Owner
State
State Highway Agency

About this bridge

Ar SH 1 & Mo SH Bb over St. Francis River is a steel continuous stringer/multi-beam or girder carrying Ar SH 1 & Mo SH Bb over St. Francis River in Clay County, Arkansas. It was built in 1964, so it is 61 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 5 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 620 vehicles a day, roughly 3% of them trucks, projected to reach 729 by 2030. The structure is 549 ft (167.2 m) long and 30 ft wide. If it were closed, the detour would be 26.7 mi (43 km).

CarriesAr SH 1 & Mo SH Bb
CrossesSt. Francis River
Location4.86 MI E of US 62
RouteState Highway 1
Coordinates36.39677, -90.07939
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour evaluation has not been made
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3 (+5 approach)
Design loadH 20
Structure length549 ft (167.2 m)
Longest span112 ft (34.1 m)
Deck width30 ft (9 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic620 (2018)
Projected traffic729 by 2030
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed26.7 mi (43 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 Ar SH 1 & Mo SH Bb over St. Francis River built?

It was built in 1964, making it 61 years old in 2025.

What condition is Ar SH 1 & Mo SH Bb over St. Francis River in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in July 2024.

How much traffic does Ar SH 1 & Mo SH Bb over St. Francis River carry?

About 620 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Ar SH 1 & Mo SH Bb over St. Francis River?

The structure is 549 ft (167.2 m) long with a longest span of 112 ft (34.1 m) and a deck 30 ft wide.

Who owns Ar SH 1 & Mo SH Bb over St. Francis River?

It is owned by the State Highway Agency.