US Bridges

I-40-SEC 21-EB Lns over Middle Fk Horsehead Cr.

Good

Johnson County, Arkansas · 1.45 M E of SH 164 · Structure no. 0000000000B5039

Built
1968
57 years old
Condition
Good
inspected March 2022
Type
Stringer/Multi-beam or Girder
Steel
Length
203 ft
3 main spans
Daily traffic
12,000
2018 count
Owner
State
State Highway Agency

About this bridge

I-40-SEC 21-EB Lns over Middle Fk Horsehead Cr. is a steel stringer/multi-beam or girder carrying I-40-SEC 21-EB Lns over Middle Fk Horsehead Cr. in Johnson County, Arkansas. It was built in 1968, so it is 57 years old, older 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 12,000 vehicles a day, roughly 1% of them trucks, projected to reach 14,048 by 2028. The structure is 203 ft (61.9 m) long and 42 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesI-40-SEC 21-EB Lns
CrossesMiddle Fk Horsehead Cr.
Location1.45 M E of SH 164
RouteInterstate 40
CountyJohnson County
StateArkansas
Coordinates35.49657, -93.63517
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to 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 typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20 + Mod
Structure length203 ft (61.9 m)
Longest span72 ft (21.9 m)
Deck width42 ft (12.8 m)
Roadway width39 ft (11.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic12,000 (2018)
Projected traffic14,048 by 2028
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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-40-SEC 21-EB Lns over Middle Fk Horsehead Cr. built?

It was built in 1968, making it 57 years old in 2025.

What condition is I-40-SEC 21-EB Lns over Middle Fk Horsehead Cr. 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 March 2022.

How much traffic does I-40-SEC 21-EB Lns over Middle Fk Horsehead Cr. carry?

About 12,000 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is I-40-SEC 21-EB Lns over Middle Fk Horsehead Cr.?

The structure is 203 ft (61.9 m) long with a longest span of 72 ft (21.9 m) and a deck 42 ft wide.

Who owns I-40-SEC 21-EB Lns over Middle Fk Horsehead Cr.?

It is owned by the State Highway Agency.