US Bridges

Zebulon over Trib Mckill Cr.

Good

Vernon County, Missouri · S 26 T 34 N R 33 W · Structure no. 37418

Built
2024
1 years old
Condition
Good
inspected January 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
52 ft
1 main span
Daily traffic
20
2024 count
Owner
County
County Highway Agency

About this bridge

Zebulon over Trib Mckill Cr. is a steel stringer/multi-beam or girder carrying Zebulon over Trib Mckill Cr. in Vernon County, Missouri. It was built in 2024, so it is 1 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 20 vehicles a day, roughly 10% of them trucks, projected to reach 26 by 2044. The structure is 52 ft (15.9 m) long and 23 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

CarriesZebulon
CrossesTrib Mckill Cr.
LocationS 26 T 34 N R 33 W
RouteCounty Highway 709
Coordinates37.66634, -94.51407
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionJanuary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating78.4 US tons
Inventory rating47.6 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length52 ft (15.9 m)
Longest span49 ft (15 m)
Deck width23 ft (7 m)
Roadway width23 ft (6.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2024)
Projected traffic26 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.2 mi (10 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Zebulon over Trib Mckill Cr. built?

It was built in 2024, making it 1 years old in 2025.

What condition is Zebulon over Trib Mckill Cr. in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in January 2025.

How much traffic does Zebulon over Trib Mckill Cr. carry?

About 20 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Zebulon over Trib Mckill Cr.?

The structure is 52 ft (15.9 m) long with a longest span of 49 ft (15 m) and a deck 23 ft wide.

Who owns Zebulon over Trib Mckill Cr.?

It is owned by the County Highway Agency.