US Bridges

Thornhill Drive over Branch

Fair

Pulaski County, Arkansas · 0.2 MI N of SH 176 · Structure no. 000000000019706

Built
1979
46 years old
Condition
Fair
inspected July 2024
Type
Channel Beam
Concrete
Length
31 ft
1 main span
Daily traffic
341
2018 count
Owner
City
City or Municipal Highway Agency

About this bridge

Thornhill Drive over Branch is a concrete channel beam carrying Thornhill Drive over Branch in Pulaski County, Arkansas. It was built in 1979, so it is 46 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 341 vehicles a day, roughly 1% of them trucks, projected to reach 3,484 by 2007. The structure is 31 ft (9.4 m) long and 34 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

Open in Google Maps
CarriesThornhill Drive
CrossesBranch
Location0.2 MI N of SH 176
RouteCity Street 57640
CountyPulaski County
StateArkansas
Coordinates34.83464, -92.20978
Functional classUrban Local

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 protection7 GoodSome minor problems.
Last inspectionJuly 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46 US tons
Inventory rating28 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.4 m)
Longest span28 ft (8.5 m)
Deck width34 ft (10.5 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic341 (2018)
Projected traffic3,484 by 2007
Trucks1%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$358,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Thornhill Drive over Branch built?

It was built in 1979, making it 46 years old in 2025.

What condition is Thornhill Drive over 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 July 2024.

How much traffic does Thornhill Drive over Branch carry?

About 341 vehicles per day (2018 count), of which roughly 1% are trucks.

How long is Thornhill Drive over Branch?

The structure is 31 ft (9.4 m) long with a longest span of 28 ft (8.5 m) and a deck 34 ft wide.

Who owns Thornhill Drive over Branch?

It is owned by the City or Municipal Highway Agency.