US Bridges

SH 145/JACKSON Co. over Cache Relief

FairPosted for load

Jackson County, Arkansas · 1.40 MI E JCT of SH 37 · Structure no. 000000000003012

Built
1956
69 years old
Condition
Fair
inspected August 2024
Type
Channel Beam
Concrete
Length
228 ft
12 main spans
Daily traffic
444
2018 count
Owner
State
State Highway Agency

About this bridge

SH 145/JACKSON Co. over Cache Relief is a concrete channel beam carrying SH 145/JACKSON Co. over Cache Relief in Jackson County, Arkansas. It was built in 1956, so it is 69 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 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. Its operating status is: posted for load restriction.

It carries about 444 vehicles a day, roughly 1% of them trucks, projected to reach 440 by 2028. The structure is 228 ft (69.5 m) long and 26 ft wide. If it were closed, the detour would be 29.8 mi (48 km).

Location

Open in Google Maps
CarriesSH 145/JACKSON Co.
CrossesCache Relief
Location1.40 MI E JCT of SH 37
RouteState Highway 145
CountyJackson County
StateArkansas
Coordinates35.47053, -91.13824
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionAugust 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating23 US tons
Inventory rating14 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans12
Design loadH 15
Structure length228 ft (69.5 m)
Longest span19 ft (5.8 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic444 (2018)
Projected traffic440 by 2028
Trucks1%
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 145/JACKSON Co. over Cache Relief built?

It was built in 1956, making it 69 years old in 2025.

What condition is SH 145/JACKSON Co. over Cache Relief 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 August 2024.

How much traffic does SH 145/JACKSON Co. over Cache Relief carry?

About 444 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 145/JACKSON Co. over Cache Relief?

The structure is 228 ft (69.5 m) long with a longest span of 19 ft (5.8 m) and a deck 26 ft wide.

Who owns SH 145/JACKSON Co. over Cache Relief?

It is owned by the State Highway Agency.