US Bridges

US 70 Cache River over Cache River

Fair

Prairie County, Arkansas · .03 MI W of Monroe CO Lin · Structure no. 000000000001101

Built
1930
95 years old
Condition
Fair
inspected September 2023
Type
Girder and Floorbeam System
Steel
Length
444 ft
3 main spans
Daily traffic
1,300
2018 count
Owner
State
State Highway Agency

About this bridge

US 70 Cache River over Cache River is a steel girder and floorbeam system carrying US 70 Cache River over Cache River in Prairie County, Arkansas. It was built in 1930, so it is 95 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 1,300 vehicles a day, roughly 9% of them trucks, projected to reach 1,620 by 2033. The structure is 444 ft (135.3 m) long and 30 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

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CarriesUS 70 Cache River
CrossesCache River
Location.03 MI W of Monroe CO Lin
RouteU.S. Route 70
CountyPrairie County
StateArkansas
Coordinates34.83107, -91.37766
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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeGirder and Floorbeam System
MaterialSteel
DeckConcrete, cast-in-place
Main spans3 (+5 approach)
Design loadH 15
Structure length444 ft (135.3 m)
Longest span81 ft (24.7 m)
Deck width30 ft (9.1 m)
Roadway width27 ft (8.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,300 (2018)
Projected traffic1,620 by 2033
Trucks9%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$597,000
NavigationNo navigation control on waterway

Frequently asked questions

When was US 70 Cache River over Cache River built?

It was built in 1930, making it 95 years old in 2025.

What condition is US 70 Cache River over Cache 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 September 2023.

How much traffic does US 70 Cache River over Cache River carry?

About 1,300 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is US 70 Cache River over Cache River?

The structure is 444 ft (135.3 m) long with a longest span of 81 ft (24.7 m) and a deck 30 ft wide.

Who owns US 70 Cache River over Cache River?

It is owned by the State Highway Agency.