US Bridges

CR23K Hamilton over Blue Point Ditch

Good

Lonoke County, Arkansas · 1.3 M E Int SH 13 & CR 23 · Structure no. 000000000004271

Built
1975
50 years old
Condition
Good
inspected November 2024
Type
Channel Beam
Prestressed Concrete
Length
69 ft
1 main span
Daily traffic
170
2018 count
Owner
County
County Highway Agency

About this bridge

CR23K Hamilton over Blue Point Ditch is a prestressed concrete channel beam carrying CR23K Hamilton over Blue Point Ditch in Lonoke County, Arkansas. It was built in 1975, so it is 50 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 170 vehicles a day, roughly 1% of them trucks, projected to reach 370 by 2007. The structure is 69 ft (21 m) long and 27 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR23K Hamilton
CrossesBlue Point Ditch
Location1.3 M E Int SH 13 & CR 23
RouteCounty Highway 23
Coordinates34.65783, -91.73258
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 2024
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 geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length69 ft (21 m)
Longest span31 ft (9.4 m)
Deck width27 ft (8.3 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2018)
Projected traffic370 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 CR23K Hamilton over Blue Point Ditch built?

It was built in 1975, making it 50 years old in 2025.

What condition is CR23K Hamilton over Blue Point Ditch in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in November 2024.

How much traffic does CR23K Hamilton over Blue Point Ditch carry?

About 170 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR23K Hamilton over Blue Point Ditch?

The structure is 69 ft (21 m) long with a longest span of 31 ft (9.4 m) and a deck 27 ft wide.

Who owns CR23K Hamilton over Blue Point Ditch?

It is owned by the County Highway Agency.