US Bridges

I-30 S4 WB LM76.81 over Caddo River

Fair

Clark County, Arkansas · .14 MI SW JCT SH 7 · Structure no. 0000000000A3706

Built
1965
60 years old, rebuilt 1997
Condition
Fair
inspected July 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
1,142 ft
20 main spans
Daily traffic
16,000
2018 count
Owner
State
State Highway Agency

About this bridge

I-30 S4 WB LM76.81 over Caddo River is a steel stringer/multi-beam or girder carrying I-30 S4 WB LM76.81 over Caddo River in Clark County, Arkansas. It was built in 1965 and reconstructed in 1997, so it is 60 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 16,000 vehicles a day, roughly 50% of them trucks, projected to reach 16,894 by 2028. The structure is 1,142 ft (348.1 m) long and 43 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesI-30 S4 WB LM76.81
CrossesCaddo River
Location.14 MI SW JCT SH 7
RouteInterstate 30
CountyClark County
StateArkansas
Coordinates34.17435, -93.07462
Functional classUrban Principal Arterial - Interstate

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 protection8 Very GoodNo problems noted.
Last inspectionJuly 2023
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 geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating70 US tons
Inventory rating42 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans20
Design loadHS 20
Structure length1,142 ft (348.1 m)
Longest span80 ft (24.4 m)
Deck width43 ft (13 m)
Roadway width40 ft (12.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic16,000 (2018)
Projected traffic16,894 by 2028
Trucks50%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemYes
Strategic Highway NetworkInterstate STRAHNET route

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$3.2 million
NavigationNo navigation control on waterway

Frequently asked questions

When was I-30 S4 WB LM76.81 over Caddo River built?

It was built in 1965, making it 60 years old in 2025. It was reconstructed in 1997.

What condition is I-30 S4 WB LM76.81 over Caddo River 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 2023.

How much traffic does I-30 S4 WB LM76.81 over Caddo River carry?

About 16,000 vehicles per day (2018 count), of which roughly 50% are trucks.

How long is I-30 S4 WB LM76.81 over Caddo River?

The structure is 1,142 ft (348.1 m) long with a longest span of 80 ft (24.4 m) and a deck 43 ft wide.

Who owns I-30 S4 WB LM76.81 over Caddo River?

It is owned by the State Highway Agency.