US Bridges

Zion RD over Neighorn CR

Fair

Cole County, Missouri · S 28 T 44 N R 12 W · Structure no. 14565

Built
1991
34 years old
Condition
Fair
inspected October 2023
Type
Culvert
Concrete
Length
35 ft
2 main spans
Daily traffic
156
2024 count
Owner
County
County Highway Agency

About this bridge

Zion RD over Neighorn CR is a concrete culvert carrying Zion RD over Neighorn CR in Cole County, Missouri. It was built in 1991, so it is 34 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 156 vehicles a day, roughly 10% of them trucks, projected to reach 265 by 2044. The structure is 35 ft (10.7 m) long. If it were closed, the detour would be 1.9 mi (3 km).

Location

Open in Google Maps
CarriesZion RD
CrossesNeighorn CR
LocationS 28 T 44 N R 12 W
RouteCounty Highway 70
CountyCole County
StateMissouri
Coordinates38.53711, -92.24578
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 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: 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 rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans2
Design loadHS 20
Structure length35 ft (10.7 m)
Longest span12 ft (3.7 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic156 (2024)
Projected traffic265 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 Neighorn CR built?

It was built in 1991, making it 34 years old in 2025.

What condition is Zion RD over Neighorn 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 October 2023.

How much traffic does Zion RD over Neighorn CR carry?

About 156 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Zion RD over Neighorn CR?

The structure is 35 ft (10.7 m) long with a longest span of 12 ft (3.7 m).

Who owns Zion RD over Neighorn CR?

It is owned by the County Highway Agency.