US Bridges

SH 8 over Caddo River

Fair

Montgomery County, Arkansas · 6.26 M. E of Polk CO Line · Structure no. 000000000002087

Built
1940
85 years old
Condition
Fair
inspected April 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
131 ft
3 main spans
Daily traffic
680
2018 count
Owner
State
State Highway Agency

About this bridge

SH 8 over Caddo River is a steel continuous stringer/multi-beam or girder carrying SH 8 over Caddo River in Montgomery County, Arkansas. It was built in 1940, so it is 85 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 680 vehicles a day, roughly 14% of them trucks, projected to reach 918 by 2028. The structure is 131 ft (39.9 m) long and 24 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesSH 8
CrossesCaddo River
Location6.26 M. E of Polk CO Line
RouteState Highway 8
CountyMontgomery County
StateArkansas
Coordinates34.44857, -93.83491
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
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 alignment6: Equal to present minimum criteria
Operating rating39 US tons
Inventory rating23 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length131 ft (39.9 m)
Longest span50 ft (15.2 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic680 (2018)
Projected traffic918 by 2028
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 SH 8 over Caddo River built?

It was built in 1940, making it 85 years old in 2025.

What condition is SH 8 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 April 2023.

How much traffic does SH 8 over Caddo River carry?

About 680 vehicles per day (2018 count), of which roughly 14% are trucks.

How long is SH 8 over Caddo River?

The structure is 131 ft (39.9 m) long with a longest span of 50 ft (15.2 m) and a deck 24 ft wide.

Who owns SH 8 over Caddo River?

It is owned by the State Highway Agency.