US Bridges

8th ST over Dog Hollow

FairPosted for load

McDonald County, Missouri · S 34 T 22 N R 32 W · Structure no. 22186

Built
1960
65 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
50 ft
1 main span
Daily traffic
300
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

8th ST over Dog Hollow is a steel stringer/multi-beam or girder carrying 8th ST over Dog Hollow in McDonald County, Missouri. It was built in 1960, so it is 65 years old, older than the Missouri 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. Its operating status is: posted for load restriction.

It carries about 300 vehicles a day, roughly 5% of them trucks, projected to reach 450 by 2044. The structure is 50 ft (15.2 m) long and 20 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
Carries8th ST
CrossesDog Hollow
LocationS 34 T 22 N R 32 W
RouteCity Street 344
CountyMcDonald County
StateMissouri
Coordinates36.59549, -94.37951
Functional classRural 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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation2: Basically intolerable, requiring high priority of replacement
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating17.9 US tons
Inventory rating8.9 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1 (+1 approach)
Design loadH 15
Structure length50 ft (15.2 m)
Longest span38 ft (11.6 m)
Deck width20 ft (6.2 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic300 (2024)
Projected traffic450 by 2044
Trucks5%
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

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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$497,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was 8th ST over Dog Hollow built?

It was built in 1960, making it 65 years old in 2025.

What condition is 8th ST over Dog Hollow 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 February 2024.

How much traffic does 8th ST over Dog Hollow carry?

About 300 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is 8th ST over Dog Hollow?

The structure is 50 ft (15.2 m) long with a longest span of 38 ft (11.6 m) and a deck 20 ft wide.

Who owns 8th ST over Dog Hollow?

It is owned by the City or Municipal Highway Agency.