US Bridges

Zion RD over Trib of Moreau Rvr

Fair

Cole County, Missouri · S 29 T 44 N R 12 W · Structure no. 14628

Built
1940
85 years old, rebuilt 2011
Condition
Fair
inspected October 2023
Type
Tee Beam
Concrete
Length
34 ft
1 main span
Daily traffic
115
2024 count
Owner
County
County Highway Agency

About this bridge

Zion RD over Trib of Moreau Rvr is a concrete tee beam carrying Zion RD over Trib of Moreau Rvr in Cole County, Missouri. It was built in 1940 and reconstructed in 2011, so it is 85 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 34 ft (10.4 m) long and 25 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Location

Open in Google Maps
CarriesZion RD
CrossesTrib of Moreau Rvr
LocationS 29 T 44 N R 12 W
RouteCounty Highway 71
CountyCole County
StateMissouri
Coordinates38.52583, -92.26342
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
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
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating37.7 US tons
Inventory rating22.8 US tons

Structure

Structure typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length34 ft (10.4 m)
Longest span33 ft (10.1 m)
Deck width25 ft (7.7 m)
Roadway width22 ft (6.7 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 closed3.1 mi (5 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 Moreau Rvr built?

It was built in 1940, making it 85 years old in 2025. It was reconstructed in 2011.

What condition is Zion RD over Trib of Moreau Rvr 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 Moreau Rvr carry?

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

How long is Zion RD over Trib of Moreau Rvr?

The structure is 34 ft (10.4 m) long with a longest span of 33 ft (10.1 m) and a deck 25 ft wide.

Who owns Zion RD over Trib of Moreau Rvr?

It is owned by the County Highway Agency.