US Bridges

SH 7 Newton over Harp Creek

Fair

Newton County, Arkansas · 2.14 Miles South of Dogpa · Structure no. 000000000000585

Built
1928
97 years old
Condition
Fair
inspected January 2025
Type
Arch - Deck
Concrete
Length
117 ft
1 main span
Daily traffic
2,400
2018 count
Owner
State
State Highway Agency

About this bridge

SH 7 Newton over Harp Creek is a concrete arch - deck carrying SH 7 Newton over Harp Creek in Newton County, Arkansas. It was built in 1928, so it is 97 years old, older 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 2,400 vehicles a day, roughly 8% of them trucks, projected to reach 2,741 by 2028. The structure is 117 ft (35.8 m) long and 23 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSH 7 Newton
CrossesHarp Creek
Location2.14 Miles South of Dogpa
RouteState Highway 7
Coordinates36.08258, -93.13719
Functional classRural Minor Arterial

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating31 US tons
Inventory rating19 US tons

Structure

Structure typeArch - Deck
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadH 15
Structure length117 ft (35.8 m)
Longest span65 ft (19.8 m)
Deck width23 ft (7 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic2,400 (2018)
Projected traffic2,741 by 2028
Trucks8%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed19.9 mi (32 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusListed on the National Register of Historic Places
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$490,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 7 Newton over Harp Creek built?

It was built in 1928, making it 97 years old in 2025.

What condition is SH 7 Newton over Harp 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 January 2025.

How much traffic does SH 7 Newton over Harp Creek carry?

About 2,400 vehicles per day (2018 count), of which roughly 8% are trucks.

How long is SH 7 Newton over Harp Creek?

The structure is 117 ft (35.8 m) long with a longest span of 65 ft (19.8 m) and a deck 23 ft wide.

Who owns SH 7 Newton over Harp Creek?

It is owned by the State Highway Agency.