US Bridges

SH 80 over Mountain Branch

Fair

Yell County, Arkansas · 7.98 MI SW JCT of SH 27 · Structure no. 000000000003017

Built
1956
69 years old
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
80 ft
4 main spans
Daily traffic
736
2018 count
Owner
State
State Highway Agency

About this bridge

SH 80 over Mountain Branch is a concrete channel beam carrying SH 80 over Mountain Branch in Yell County, Arkansas. It was built in 1956, so it is 69 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 736 vehicles a day, roughly 1% of them trucks, projected to reach 1,118 by 2028. The structure is 80 ft (24.4 m) long and 25 ft wide. If it were closed, the detour would be 19.9 mi (32 km).

CarriesSH 80
CrossesMountain Branch
Location7.98 MI SW JCT of SH 27
RouteState Highway 80
Coordinates34.99523, -93.50955
Functional classRural Major Collector

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.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection4 PoorAdvanced section loss, deterioration, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating59 US tons
Inventory rating36 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length80 ft (24.4 m)
Longest span19 ft (5.8 m)
Deck width25 ft (7.7 m)
Roadway width24 ft (7.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic736 (2018)
Projected traffic1,118 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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$313,000
NavigationNo navigation control on waterway

Frequently asked questions

When was SH 80 over Mountain Branch built?

It was built in 1956, making it 69 years old in 2025.

What condition is SH 80 over Mountain Branch 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 April 2024.

How much traffic does SH 80 over Mountain Branch carry?

About 736 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is SH 80 over Mountain Branch?

The structure is 80 ft (24.4 m) long with a longest span of 19 ft (5.8 m) and a deck 25 ft wide.

Who owns SH 80 over Mountain Branch?

It is owned by the State Highway Agency.