US Bridges

CR 488 Benton over Flint Creek

Fair

Benton County, Arkansas · 2 MI N Siloam Springs · Structure no. 000000000021762

Built
1996
29 years old
Condition
Fair
inspected November 2024
Type
Channel Beam
Concrete
Length
62 ft
2 main spans
Daily traffic
795
2018 count
Owner
County
County Highway Agency

About this bridge

CR 488 Benton over Flint Creek is a concrete channel beam carrying CR 488 Benton over Flint Creek in Benton County, Arkansas. It was built in 1996, so it is 29 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 5 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 795 vehicles a day, roughly 1% of them trucks, projected to reach 27 by 2007. The structure is 62 ft (18.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesCR 488 Benton
CrossesFlint Creek
Location2 MI N Siloam Springs
RouteCounty Highway 488
Coordinates36.22515, -94.54176
Functional classUrban Local

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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionNovember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length62 ft (18.9 m)
Longest span31 ft (9.4 m)
Deck width28 ft (8.6 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic795 (2018)
Projected traffic27 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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 488 Benton over Flint Creek built?

It was built in 1996, making it 29 years old in 2025.

What condition is CR 488 Benton over Flint Creek 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 November 2024.

How much traffic does CR 488 Benton over Flint Creek carry?

About 795 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR 488 Benton over Flint Creek?

The structure is 62 ft (18.9 m) long with a longest span of 31 ft (9.4 m) and a deck 28 ft wide.

Who owns CR 488 Benton over Flint Creek?

It is owned by the County Highway Agency.