US Bridges

I 49 S&N.B-21.05 over Mill Creek

Good

Miller County, Arkansas · 1.61MI.S.JCT.CR26N& I 49 · Structure no. 0000000000X1130

Built
2003
22 years old
Condition
Good
inspected April 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
9,200
2018 count
Owner
State
State Highway Agency

About this bridge

I 49 S&N.B-21.05 over Mill Creek is a concrete culvert carrying I 49 S&N.B-21.05 over Mill Creek in Miller County, Arkansas. It was built in 2003, so it is 22 years old, younger than the Arkansas average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 9,200 vehicles a day, roughly 33% of them trucks, projected to reach 12,000 by 2038. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.2 mi (2 km).

CarriesI 49 S&N.B-21.05
CrossesMill Creek
Location1.61MI.S.JCT.CR26N& I 49
RouteInterstate 49
Coordinates33.2991, -93.92793
Functional classRural Principal Arterial - Interstate

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating43 US tons
Inventory rating26 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadH 20
Structure length35 ft (10.7 m)
Longest span17 ft (5.2 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic9,200 (2018)
Projected traffic12,000 by 2038
Trucks33%
Lanes on structure4
Traffic directionTwo-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 S&N.B-21.05 over Mill Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is I 49 S&N.B-21.05 over Mill Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in April 2023.

How much traffic does I 49 S&N.B-21.05 over Mill Creek carry?

About 9,200 vehicles per day (2018 count), of which roughly 33% are trucks.

How long is I 49 S&N.B-21.05 over Mill Creek?

The structure is 35 ft (10.7 m) long with a longest span of 17 ft (5.2 m).

Who owns I 49 S&N.B-21.05 over Mill Creek?

It is owned by the State Highway Agency.