US Bridges

I 49 (ramp) NB BN1 over Osage Creek

Fair

Benton County, Arkansas · 5 MI N SH 264 · Structure no. 000000000005961

Built
1982
43 years old
Condition
Fair
inspected April 2024
Type
Slab
Concrete
Length
175 ft
5 main spans
Daily traffic
25,000
2023 count
Owner
State
State Highway Agency

About this bridge

I 49 (ramp) NB BN1 over Osage Creek is a concrete slab carrying I 49 (ramp) NB BN1 over Osage Creek in Benton County, Arkansas. It was built in 1982, so it is 43 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 25,000 vehicles a day, roughly 3% of them trucks, projected to reach 28,000 by 2030. The structure is 175 ft (53.3 m) long and 28 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI 49 (ramp) NB BN1
CrossesOsage Creek
Location5 MI N SH 264
RouteInterstate 49
CountyBenton County
StateArkansas
Coordinates36.31505, -94.18423
Functional classUrban Principal Arterial - Interstate

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry7: Better than present minimum criteria
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 typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans5
Design loadHS 20
Structure length175 ft (53.3 m)
Longest span35 ft (10.7 m)
Deck width28 ft (8.5 m)
Roadway width25 ft (7.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic25,000 (2023)
Projected traffic28,000 by 2030
Trucks3%
Lanes on structure1
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 I 49 (ramp) NB BN1 over Osage Creek built?

It was built in 1982, making it 43 years old in 2025.

What condition is I 49 (ramp) NB BN1 over Osage 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 April 2024.

How much traffic does I 49 (ramp) NB BN1 over Osage Creek carry?

About 25,000 vehicles per day (2023 count), of which roughly 3% are trucks.

How long is I 49 (ramp) NB BN1 over Osage Creek?

The structure is 175 ft (53.3 m) long with a longest span of 35 ft (10.7 m) and a deck 28 ft wide.

Who owns I 49 (ramp) NB BN1 over Osage Creek?

It is owned by the State Highway Agency.