US Bridges

US 70-7 Log 2.62 over Little Mazarn CR

Fair

Hot Spring County, Arkansas · 2.62MI NE Montgomery CO · Structure no. 0000000000A0484

Built
1929
96 years old, rebuilt 1976
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
71 ft
2 main spans
Daily traffic
5,577
2018 count
Owner
State
State Highway Agency

About this bridge

US 70-7 Log 2.62 over Little Mazarn CR is a concrete tee beam carrying US 70-7 Log 2.62 over Little Mazarn CR in Hot Spring County, Arkansas. It was built in 1929 and reconstructed in 1976, so it is 96 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 5,577 vehicles a day, roughly 1% of them trucks, projected to reach 4,787 by 2028. The structure is 71 ft (21.7 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesUS 70-7 Log 2.62
CrossesLittle Mazarn CR
Location2.62MI NE Montgomery CO
RouteU.S. Route 70
Coordinates34.39, -93.36756
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
Deck7 GoodSome minor problems.
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionAugust 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
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating56 US tons
Inventory rating34 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadHS 20 + Mod
Structure length71 ft (21.7 m)
Longest span35 ft (10.7 m)
Deck width32 ft (9.9 m)
Roadway width30 ft (9.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,577 (2018)
Projected traffic4,787 by 2028
Trucks1%
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 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 US 70-7 Log 2.62 over Little Mazarn CR built?

It was built in 1929, making it 96 years old in 2025. It was reconstructed in 1976.

What condition is US 70-7 Log 2.62 over Little Mazarn CR 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 August 2023.

How much traffic does US 70-7 Log 2.62 over Little Mazarn CR carry?

About 5,577 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is US 70-7 Log 2.62 over Little Mazarn CR?

The structure is 71 ft (21.7 m) long with a longest span of 35 ft (10.7 m) and a deck 32 ft wide.

Who owns US 70-7 Log 2.62 over Little Mazarn CR?

It is owned by the State Highway Agency.