US Bridges

Sulphur Springs RD over Thunder Branch

FairPosted for load

Hot Spring County, Arkansas · 8 MI SE Malvern · Structure no. 000000000023213

Built
2009
16 years old
Condition
Fair
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
35 ft
1 main span
Daily traffic
159
2018 count
Owner
County
County Highway Agency

About this bridge

Sulphur Springs RD over Thunder Branch is a steel stringer/multi-beam or girder carrying Sulphur Springs RD over Thunder Branch in Hot Spring County, Arkansas. It was built in 2009, so it is 16 years old, younger 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. Its operating status is: posted for load restriction.

It carries about 159 vehicles a day, roughly 1% of them trucks, projected to reach 213 by 2007. The structure is 35 ft (10.6 m) long and 25 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSulphur Springs RD
CrossesThunder Branch
Location8 MI SE Malvern
RouteCounty Highway 61
CountyHot Spring County
StateArkansas
Coordinates34.30609, -92.68631
Functional classRural Minor 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
Deck8 Very GoodNo problems noted.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating60 US tons
Inventory rating36 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length35 ft (10.6 m)
Longest span33 ft (10.1 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic159 (2018)
Projected traffic213 by 2007
Trucks1%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Sulphur Springs RD over Thunder Branch built?

It was built in 2009, making it 16 years old in 2025.

What condition is Sulphur Springs RD over Thunder 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 January 2025.

How much traffic does Sulphur Springs RD over Thunder Branch carry?

About 159 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Sulphur Springs RD over Thunder Branch?

The structure is 35 ft (10.6 m) long with a longest span of 33 ft (10.1 m) and a deck 25 ft wide.

Who owns Sulphur Springs RD over Thunder Branch?

It is owned by the County Highway Agency.