US Bridges

US 70-7 Log 1.65 over Br. Little Marzarn Cr.

Fair

Hot Spring County, Arkansas · 1.65MI NE Montgomery CO · Structure no. 0000000000A0485

Built
1928
97 years old, rebuilt 1976
Condition
Fair
inspected August 2023
Type
Tee Beam
Concrete
Length
39 ft
1 main span
Daily traffic
5,577
2018 count
Owner
State
State Highway Agency

About this bridge

US 70-7 Log 1.65 over Br. Little Marzarn Cr. is a concrete tee beam carrying US 70-7 Log 1.65 over Br. Little Marzarn Cr. in Hot Spring County, Arkansas. It was built in 1928 and reconstructed in 1976, 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 6 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 39 ft (11.9 m) long and 32 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

Location

Open in Google Maps
CarriesUS 70-7 Log 1.65
CrossesBr. Little Marzarn Cr.
Location1.65MI NE Montgomery CO
RouteU.S. Route 70
CountyHot Spring County
StateArkansas
Coordinates34.38411, -93.38325
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.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
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 evaluation6: Equal to present minimum criteria
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 rating46 US tons
Inventory rating28 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length39 ft (11.9 m)
Longest span39 ft (11.9 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 1.65 over Br. Little Marzarn Cr. built?

It was built in 1928, making it 97 years old in 2025. It was reconstructed in 1976.

What condition is US 70-7 Log 1.65 over Br. Little Marzarn 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 1.65 over Br. Little Marzarn Cr. carry?

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

How long is US 70-7 Log 1.65 over Br. Little Marzarn Cr.?

The structure is 39 ft (11.9 m) long with a longest span of 39 ft (11.9 m) and a deck 32 ft wide.

Who owns US 70-7 Log 1.65 over Br. Little Marzarn Cr.?

It is owned by the State Highway Agency.