US Bridges

I 49 NB Lanes over Riley Creek - Wash. Co.

Fair

Washington County, Arkansas · 2.32 Mi. S SH 170 · Structure no. 0000000000B6483

Built
1997
28 years old
Condition
Fair
inspected May 2024
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
402 ft
3 main spans
Daily traffic
2,300
2018 count
Owner
State
State Highway Agency

About this bridge

I 49 NB Lanes over Riley Creek - Wash. Co. is a steel continuous stringer/multi-beam or girder carrying I 49 NB Lanes over Riley Creek - Wash. Co. in Washington County, Arkansas. It was built in 1997, so it is 28 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 2,300 vehicles a day, roughly 1% of them trucks, projected to reach 11,252 by 2028. The structure is 402 ft (122.5 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesI 49 NB Lanes
CrossesRiley Creek - Wash. Co.
Location2.32 Mi. S SH 170
RouteInterstate 49
CountyWashington County
StateArkansas
Coordinates35.84854, -94.18307
Functional classRural 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.
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 protection8 Very GoodNo problems noted.
Last inspectionMay 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 geometry7: Better than present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length402 ft (122.5 m)
Longest span140 ft (42.7 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,300 (2018)
Projected traffic11,252 by 2028
Trucks1%
Lanes on structure2
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 NB Lanes over Riley Creek - Wash. Co. built?

It was built in 1997, making it 28 years old in 2025.

What condition is I 49 NB Lanes over Riley Creek - Wash. Co. 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 May 2024.

How much traffic does I 49 NB Lanes over Riley Creek - Wash. Co. carry?

About 2,300 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is I 49 NB Lanes over Riley Creek - Wash. Co.?

The structure is 402 ft (122.5 m) long with a longest span of 140 ft (42.7 m) and a deck 43 ft wide.

Who owns I 49 NB Lanes over Riley Creek - Wash. Co.?

It is owned by the State Highway Agency.