US Bridges

SH 8 over Caddo River

Fair

Montgomery County, Arkansas · 8.82 E Polk CO Line · Structure no. 000000000001855

Built
1934
91 years old, rebuilt 1958
Condition
Fair
inspected November 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
163 ft
4 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 1934 and reconstructed in 1958, so it is 91 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 163 ft (49.8 m) long and 28 ft wide.

CarriesSH 8
CrossesCaddo River
Location8.82 E Polk CO Line
RouteState Highway 8
Coordinates34.44968, -93.791
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.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionNovember 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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41 US tons
Inventory rating24 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans4
Design loadH 15
Structure length163 ft (49.8 m)
Longest span51 ft (15.5 m)
Deck width28 ft (8.4 m)
Roadway width24 ft (7.3 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 closed—
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 1934, making it 91 years old in 2025. It was reconstructed in 1958.

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 November 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 163 ft (49.8 m) long with a longest span of 51 ft (15.5 m) and a deck 28 ft wide.

Who owns SH 8 over Caddo River?

It is owned by the State Highway Agency.