US Bridges

Altheimer Rd-Cr 56 over Main Canal

Fair

Jefferson County, Arkansas · 4.71 MI E SH 88-ALTHEIMER · Structure no. 000000000024042

Built
2019
6 years old
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
70 ft
1 main span
Daily traffic
89
2018 count
Owner
County
County Highway Agency

About this bridge

Altheimer Rd-Cr 56 over Main Canal is a steel stringer/multi-beam or girder carrying Altheimer Rd-Cr 56 over Main Canal in Jefferson County, Arkansas. It was built in 2019, so it is 6 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 89 vehicles a day, roughly 15% of them trucks, projected to reach 100 by 2038. The structure is 70 ft (21.2 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesAltheimer Rd-Cr 56
CrossesMain Canal
Location4.71 MI E SH 88-ALTHEIMER
RouteCounty Highway 56
Coordinates34.30793, -91.74023
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
Deck8 Very GoodNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJuly 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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating42 US tons
Inventory rating25 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length70 ft (21.2 m)
Longest span67 ft (20.4 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic89 (2018)
Projected traffic100 by 2038
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 Altheimer Rd-Cr 56 over Main Canal built?

It was built in 2019, making it 6 years old in 2025.

What condition is Altheimer Rd-Cr 56 over Main Canal 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 2023.

How much traffic does Altheimer Rd-Cr 56 over Main Canal carry?

About 89 vehicles per day (2018 count), of which roughly 15% are trucks.

How long is Altheimer Rd-Cr 56 over Main Canal?

The structure is 70 ft (21.2 m) long with a longest span of 67 ft (20.4 m) and a deck 24 ft wide.

Who owns Altheimer Rd-Cr 56 over Main Canal?

It is owned by the County Highway Agency.