US Bridges

Crd NW 100th RD over Comstock Creek

Good

Barton County, Missouri · S 3 T 33 N R 33 W · Structure no. 34668

Built
2014
11 years old
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Prestressed Concrete
Length
65 ft
1 main span
Daily traffic
20
2023 count
Owner
County
County Highway Agency

About this bridge

Crd NW 100th RD over Comstock Creek is a prestressed concrete stringer/multi-beam or girder carrying Crd NW 100th RD over Comstock Creek in Barton County, Missouri. It was built in 2014, so it is 11 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 9 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 28 by 2043. The structure is 65 ft (19.8 m) long and 29 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCrd NW 100th RD
CrossesComstock Creek
LocationS 3 T 33 N R 33 W
RouteCounty Highway 68
Coordinates37.65222, -94.53806
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.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating41.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length65 ft (19.8 m)
Longest span62 ft (18.8 m)
Deck width29 ft (8.7 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic20 (2023)
Projected traffic28 by 2043
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 statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Crd NW 100th RD over Comstock Creek built?

It was built in 2014, making it 11 years old in 2025.

What condition is Crd NW 100th RD over Comstock Creek 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 March 2023.

How much traffic does Crd NW 100th RD over Comstock Creek carry?

About 20 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Crd NW 100th RD over Comstock Creek?

The structure is 65 ft (19.8 m) long with a longest span of 62 ft (18.8 m) and a deck 29 ft wide.

Who owns Crd NW 100th RD over Comstock Creek?

It is owned by the County Highway Agency.