US Bridges

US 36 E over Mill CR

Fair

Caldwell County, Missouri · S 17 T 57 N R 28 W · Structure no. 819

Built
1963
62 years old, rebuilt 1993
Condition
Fair
inspected December 2024
Type
Culvert
Concrete Continuous
Length
29 ft
2 main spans
Daily traffic
11,855
2024 count
Owner
State
State Highway Agency

About this bridge

US 36 E over Mill CR is a concrete continuous culvert carrying US 36 E over Mill CR in Caldwell County, Missouri. It was built in 1963 and reconstructed in 1993, so it is 62 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 11,855 vehicles a day, roughly 31% of them trucks, projected to reach 24,896 by 2044. The structure is 29 ft (8.8 m) long. If it were closed, the detour would be 23 mi (37 km).

Location

Open in Google Maps
CarriesUS 36 E
CrossesMill CR
LocationS 17 T 57 N R 28 W
RouteU.S. Route 36
CountyCaldwell County
StateMissouri
Coordinates39.74927, -94.07139
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionDecember 2024
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
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating96.2 US tons
Inventory rating57.5 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadH 20
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic11,855 (2024)
Projected traffic24,896 by 2044
Trucks31%
Lanes on structure4
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed23 mi (37 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was US 36 E over Mill CR built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 1993.

What condition is US 36 E over Mill 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 2024.

How much traffic does US 36 E over Mill CR carry?

About 11,855 vehicles per day (2024 count), of which roughly 31% are trucks.

How long is US 36 E over Mill CR?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m).

Who owns US 36 E over Mill CR?

It is owned by the State Highway Agency.