US Bridges

CR 4 Boone over Long Creek

Poor

Boone County, Arkansas · City of Alpena · Structure no. 000000000019024

Built
1942
83 years old
Condition
Poor
inspected February 2024
Type
Slab
Concrete Continuous
Length
101 ft
10 main spans
Daily traffic
678
2018 count
Owner
County
County Highway Agency

About this bridge

CR 4 Boone over Long Creek is a concrete continuous slab carrying CR 4 Boone over Long Creek in Boone County, Arkansas. It was built in 1942, so it is 83 years old, older than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 678 vehicles a day, roughly 1% of them trucks, projected to reach 700 by 2030. The structure is 101 ft (30.8 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesCR 4 Boone
CrossesLong Creek
LocationCity of Alpena
RouteCounty Highway 4
Coordinates36.29595, -93.29746
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating31 US tons
Inventory rating18 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans10
Design loadUnknown
Structure length101 ft (30.8 m)
Longest span10 ft (3 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic678 (2018)
Projected traffic700 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusEligible for the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$321,000
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 4 Boone over Long Creek built?

It was built in 1942, making it 83 years old in 2025.

What condition is CR 4 Boone over Long Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in February 2024.

How much traffic does CR 4 Boone over Long Creek carry?

About 678 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR 4 Boone over Long Creek?

The structure is 101 ft (30.8 m) long with a longest span of 10 ft (3 m) and a deck 20 ft wide.

Who owns CR 4 Boone over Long Creek?

It is owned by the County Highway Agency.