US Bridges

SH 105 over Isabell Creek

Good

Pope County, Arkansas · Community of Oak Grove · Structure no. 000000000007474

Built
2021
4 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
211 ft
4 main spans
Daily traffic
950
2020 count
Owner
State
State Highway Agency

About this bridge

SH 105 over Isabell Creek is a steel continuous stringer/multi-beam or girder carrying SH 105 over Isabell Creek in Pope County, Arkansas. It was built in 2021, so it is 4 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 950 vehicles a day, roughly 3% of them trucks, projected to reach 1,140 by 2040. The structure is 211 ft (64.3 m) long and 43 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSH 105
CrossesIsabell Creek
LocationCommunity of Oak Grove
RouteState Highway 105
Coordinates35.35902, -92.95911
Functional classRural Major Collector

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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection9 ExcellentNo problems noted.
Last inspectionOctober 2023
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry9: Superior to present desirable 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

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadHL 93
Structure length211 ft (64.3 m)
Longest span60 ft (18.3 m)
Deck width43 ft (13.1 m)
Roadway width41 ft (12.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic950 (2020)
Projected traffic1,140 by 2040
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 km)
TollOn a free road
National Highway SystemNo

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 SH 105 over Isabell Creek built?

It was built in 2021, making it 4 years old in 2025.

What condition is SH 105 over Isabell 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 October 2023.

How much traffic does SH 105 over Isabell Creek carry?

About 950 vehicles per day (2020 count), of which roughly 3% are trucks.

How long is SH 105 over Isabell Creek?

The structure is 211 ft (64.3 m) long with a longest span of 60 ft (18.3 m) and a deck 43 ft wide.

Who owns SH 105 over Isabell Creek?

It is owned by the State Highway Agency.