US Bridges

CR 505 Benton over Spavinaw Creek

Fair

Benton County, Arkansas · 4 MI N W Decatur · Structure no. 000000000023322

Built
2009
16 years old
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
160 ft
2 main spans
Daily traffic
384
2018 count
Owner
County
County Highway Agency

About this bridge

CR 505 Benton over Spavinaw Creek is a steel stringer/multi-beam or girder carrying CR 505 Benton over Spavinaw Creek in Benton County, Arkansas. It was built in 2009, so it is 16 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 384 vehicles a day, roughly 1% of them trucks, projected to reach 425 by 2030. The structure is 160 ft (48.8 m) long and 26 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesCR 505 Benton
CrossesSpavinaw Creek
Location4 MI N W Decatur
RouteCounty Highway 505
CountyBenton County
StateArkansas
Coordinates36.36925, -94.53124
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 inspectionSeptember 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 adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length160 ft (48.8 m)
Longest span78 ft (23.8 m)
Deck width26 ft (7.9 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic384 (2018)
Projected traffic425 by 2030
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 505 Benton over Spavinaw Creek built?

It was built in 2009, making it 16 years old in 2025.

What condition is CR 505 Benton over Spavinaw 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 September 2023.

How much traffic does CR 505 Benton over Spavinaw Creek carry?

About 384 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is CR 505 Benton over Spavinaw Creek?

The structure is 160 ft (48.8 m) long with a longest span of 78 ft (23.8 m) and a deck 26 ft wide.

Who owns CR 505 Benton over Spavinaw Creek?

It is owned by the County Highway Agency.