US Bridges

I-49 Nbln Benton 1 over Osage Creek

Fair

Benton County, Arkansas · 2.79 Miles North of SH 26 · Structure no. 0000000000B5956

Built
1982
43 years old
Condition
Fair
inspected July 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
145 ft
3 main spans
Daily traffic
39,500
2018 count
Owner
State
State Highway Agency

About this bridge

I-49 Nbln Benton 1 over Osage Creek is a prestressed concrete continuous stringer/multi-beam or girder carrying I-49 Nbln Benton 1 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 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 39,500 vehicles a day, roughly 12% of them trucks, projected to reach 57,500 by 2033. The structure is 145 ft (44.2 m) long and 65 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI-49 Nbln Benton 1
CrossesOsage Creek
Location2.79 Miles North of SH 26
RouteInterstate 49
Coordinates36.29211, -94.16285
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry9: Superior to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating55 US tons
Inventory rating33 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length145 ft (44.2 m)
Longest span57 ft (17.4 m)
Deck width65 ft (19.8 m)
Roadway width62 ft (18.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic39,500 (2018)
Projected traffic57,500 by 2033
Trucks12%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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 Nbln Benton 1 over Osage Creek built?

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

What condition is I-49 Nbln Benton 1 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 July 2024.

How much traffic does I-49 Nbln Benton 1 over Osage Creek carry?

About 39,500 vehicles per day (2018 count), of which roughly 12% are trucks.

How long is I-49 Nbln Benton 1 over Osage Creek?

The structure is 145 ft (44.2 m) long with a longest span of 57 ft (17.4 m) and a deck 65 ft wide.

Who owns I-49 Nbln Benton 1 over Osage Creek?

It is owned by the State Highway Agency.