US Bridges

County RD 436 over Branch of Hillers

Fair

Callaway County, Missouri · S 34 T 46 N R 10 W · Structure no. 19827

Built
1984
41 years old
Condition
Fair
inspected October 2024
Type
Culvert
Concrete
Length
28 ft
2 main spans
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 436 over Branch of Hillers is a concrete culvert carrying County RD 436 over Branch of Hillers in Callaway County, Missouri. It was built in 1984, so it is 41 years old, younger 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 20 vehicles a day, roughly 5% of them trucks, projected to reach 30 by 2043. The structure is 28 ft (8.5 m) long and 27 ft wide. If it were closed, the detour would be 11.2 mi (18 km).

Location

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CarriesCounty RD 436
CrossesBranch of Hillers
LocationS 34 T 46 N R 10 W
RouteCounty Highway 235
CountyCallaway County
StateMissouri
Coordinates38.71997, -92.03314
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
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating54.6 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length28 ft (8.5 m)
Longest span10 ft (3 m)
Deck width27 ft (8.1 m)
Roadway width25 ft (7.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic30 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed11.2 mi (18 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 County RD 436 over Branch of Hillers built?

It was built in 1984, making it 41 years old in 2025.

What condition is County RD 436 over Branch of Hillers 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 October 2024.

How much traffic does County RD 436 over Branch of Hillers carry?

About 20 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is County RD 436 over Branch of Hillers?

The structure is 28 ft (8.5 m) long with a longest span of 10 ft (3 m) and a deck 27 ft wide.

Who owns County RD 436 over Branch of Hillers?

It is owned by the County Highway Agency.