US Bridges

Mo 34 E over Hog CR

Fair

Bollinger County, Missouri · S 36 T 31 N R 10 E · Structure no. 4502

Built
1940
85 years old
Condition
Fair
inspected December 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
224 ft
3 main spans
Daily traffic
3,649
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 34 E over Hog CR is a steel continuous stringer/multi-beam or girder carrying Mo 34 E over Hog CR in Bollinger County, Missouri. It was built in 1940, so it is 85 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.

It carries about 3,649 vehicles a day, roughly 7% of them trucks, projected to reach 6,386 by 2044. The structure is 224 ft (68.3 m) long and 26 ft wide. If it were closed, the detour would be 24.2 mi (39 km).

Location

Open in Google Maps
CarriesMo 34 E
CrossesHog CR
LocationS 36 T 31 N R 10 E
RouteState Highway 34
CountyBollinger County
StateMissouri
Coordinates37.31715, -89.89418
Functional classRural Principal Arterial - Other

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 protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating42.7 US tons
Inventory rating25.8 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length224 ft (68.3 m)
Longest span80 ft (24.4 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,649 (2024)
Projected traffic6,386 by 2044
Trucks7%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.2 mi (39 km)
TollOn a free road
National Highway SystemYes

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedRehabilitation because of general structure deterioration or inadequate strength
Estimated improvement cost$1.8 million (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Mo 34 E over Hog CR built?

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

What condition is Mo 34 E over Hog CR 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 December 2023.

How much traffic does Mo 34 E over Hog CR carry?

About 3,649 vehicles per day (2024 count), of which roughly 7% are trucks.

How long is Mo 34 E over Hog CR?

The structure is 224 ft (68.3 m) long with a longest span of 80 ft (24.4 m) and a deck 26 ft wide.

Who owns Mo 34 E over Hog CR?

It is owned by the State Highway Agency.