US Bridges

Zion RD over Trib of N Moreau R

Fair

Cole County, Missouri · S 30 T 44 N R 12 W · Structure no. 14615

Built
1950
75 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
115
2024 count
Owner
County
County Highway Agency

About this bridge

Zion RD over Trib of N Moreau R is a concrete culvert carrying Zion RD over Trib of N Moreau R in Cole County, Missouri. It was built in 1950, so it is 75 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 115 vehicles a day, roughly 10% of them trucks, projected to reach 196 by 2044. The structure is 35 ft (10.7 m) long and 34 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesZion RD
CrossesTrib of N Moreau R
LocationS 30 T 44 N R 12 W
RouteCounty Highway 71
Coordinates38.52711, -92.28144
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 protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating54.6 US tons
Inventory rating17.9 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadOther
Structure length35 ft (10.7 m)
Longest span15 ft (4.6 m)
Deck width34 ft (10.3 m)
Roadway width32 ft (9.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic115 (2024)
Projected traffic196 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 Zion RD over Trib of N Moreau R built?

It was built in 1950, making it 75 years old in 2025.

What condition is Zion RD over Trib of N Moreau R 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 2023.

How much traffic does Zion RD over Trib of N Moreau R carry?

About 115 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Zion RD over Trib of N Moreau R?

The structure is 35 ft (10.7 m) long with a longest span of 15 ft (4.6 m) and a deck 34 ft wide.

Who owns Zion RD over Trib of N Moreau R?

It is owned by the County Highway Agency.