US Bridges

Mound City/Z-Ds over Ten Mile Bayou

Fair

Crittenden County, Arkansas · 2.6 Mile Norh Int 27&I-40 · Structure no. 000000000004578

Built
1987
38 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
93 ft
3 main spans
Daily traffic
3,300
2019 count
Owner
County
County Highway Agency

About this bridge

Mound City/Z-Ds over Ten Mile Bayou is a concrete channel beam carrying Mound City/Z-Ds over Ten Mile Bayou in Crittenden County, Arkansas. It was built in 1987, so it is 38 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 3,300 vehicles a day, roughly 1% of them trucks, projected to reach 502 by 2007. The structure is 93 ft (28.3 m) long and 31 ft wide. If it were closed, the detour would be 13 mi (21 km).

CarriesMound City/Z-Ds
CrossesTen Mile Bayou
Location2.6 Mile Norh Int 27&I-40
RouteCounty Highway 27
Coordinates35.18927, -90.13675
Functional classUrban Minor Arterial

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
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 inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans3
Design loadHS 20
Structure length93 ft (28.3 m)
Longest span31 ft (9.4 m)
Deck width31 ft (9.3 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,300 (2019)
Projected traffic502 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed13 mi (21 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Mound City/Z-Ds over Ten Mile Bayou built?

It was built in 1987, making it 38 years old in 2025.

What condition is Mound City/Z-Ds over Ten Mile Bayou 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 May 2023.

How much traffic does Mound City/Z-Ds over Ten Mile Bayou carry?

About 3,300 vehicles per day (2019 count), of which roughly 1% are trucks.

How long is Mound City/Z-Ds over Ten Mile Bayou?

The structure is 93 ft (28.3 m) long with a longest span of 31 ft (9.4 m) and a deck 31 ft wide.

Who owns Mound City/Z-Ds over Ten Mile Bayou?

It is owned by the County Highway Agency.