US Bridges

CR 870 - B over Mayo Ditch

Fair

Greene County, Arkansas · 0.5 MI E of Mounds · Structure no. 000000000022404

Built
2001
24 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
140 ft
3 main spans
Daily traffic
95
2018 count
Owner
County
County Highway Agency

About this bridge

CR 870 - B over Mayo Ditch is a steel stringer/multi-beam or girder carrying CR 870 - B over Mayo Ditch in Greene County, Arkansas. It was built in 2001, so it is 24 years old, younger 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.

It carries about 95 vehicles a day, roughly 1% of them trucks, projected to reach 383 by 2007. The structure is 140 ft (42.7 m) long and 26 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesCR 870 - B
CrossesMayo Ditch
Location0.5 MI E of Mounds
RouteCounty Highway 870
CountyGreene County
StateArkansas
Coordinates36.15713, -90.28542
Functional classRural Minor 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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length140 ft (42.7 m)
Longest span50 ft (15.3 m)
Deck width26 ft (7.9 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic95 (2018)
Projected traffic383 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 CR 870 - B over Mayo Ditch built?

It was built in 2001, making it 24 years old in 2025.

What condition is CR 870 - B over Mayo Ditch 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 April 2023.

How much traffic does CR 870 - B over Mayo Ditch carry?

About 95 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR 870 - B over Mayo Ditch?

The structure is 140 ft (42.7 m) long with a longest span of 50 ft (15.3 m) and a deck 26 ft wide.

Who owns CR 870 - B over Mayo Ditch?

It is owned by the County Highway Agency.