US Bridges

Mo 156 E over Two Mile CR

Fair

Knox County, Missouri · S 11 T 60 N R 13 W · Structure no. 9864

Built
1949
76 years old
Condition
Fair
inspected November 2023
Type
Culvert
Concrete Continuous
Length
22 ft
2 main spans
Daily traffic
776
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 156 E over Two Mile CR is a concrete continuous culvert carrying Mo 156 E over Two Mile CR in Knox County, Missouri. It was built in 1949, so it is 76 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 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 776 vehicles a day, roughly 15% of them trucks, projected to reach 1,125 by 2044. The structure is 22 ft (6.6 m) long and 26 ft wide. If it were closed, the detour would be 47.8 mi (77 km).

CarriesMo 156 E
CrossesTwo Mile CR
LocationS 11 T 60 N R 13 W
RouteState Highway 156
Coordinates40.01128, -92.32405
Functional classRural Major Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating39.7 US tons
Inventory rating23.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 10
Structure length22 ft (6.6 m)
Longest span9 ft (2.7 m)
Deck width26 ft (7.9 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic776 (2024)
Projected traffic1,125 by 2044
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed47.8 mi (77 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 Mo 156 E over Two Mile CR built?

It was built in 1949, making it 76 years old in 2025.

What condition is Mo 156 E over Two Mile 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 November 2023.

How much traffic does Mo 156 E over Two Mile CR carry?

About 776 vehicles per day (2024 count), of which roughly 15% are trucks.

How long is Mo 156 E over Two Mile CR?

The structure is 22 ft (6.6 m) long with a longest span of 9 ft (2.7 m) and a deck 26 ft wide.

Who owns Mo 156 E over Two Mile CR?

It is owned by the State Highway Agency.