US Bridges

NW 30th RD over Cpkc RR

Poor

Barton County, Missouri · S 6 T 32 N R 33 W · Structure no. 25287

Built
1930
95 years old
Condition
Poor
inspected April 2024
Type
Tee Beam
Concrete Continuous
Length
112 ft
3 main spans
Daily traffic
300
2023 count
Owner
Railroad
Railroad

About this bridge

NW 30th RD over Cpkc RR is a concrete continuous tee beam carrying NW 30th RD over Cpkc RR in Barton County, Missouri. It was built in 1930, so it is 95 years old, older than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

It carries about 300 vehicles a day, roughly 10% of them trucks, projected to reach 420 by 2043. The structure is 112 ft (34.1 m) long and 25 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNW 30th RD
CrossesCpkc RR
LocationS 6 T 32 N R 33 W
RouteCounty Highway 0
CountyBarton County
StateMissouri
Coordinates37.55052, -94.61659
Functional classRural Major Collector

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck4 PoorAdvanced section loss, deterioration, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating39.7 US tons
Inventory rating14.9 US tons

Structure

Structure typeTee Beam
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 10
Structure length112 ft (34.1 m)
Longest span38 ft (11.6 m)
Deck width25 ft (7.5 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deck23 ft (6.9 m)

Traffic and service

Average daily traffic300 (2023)
Projected traffic420 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesRailroad
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerRailroad
Maintained byRailroad
Historic statusHistorical significance not determinable at this time
Work proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$1.4 million (2025 estimate)
NavigationNot applicable (no waterway)

Frequently asked questions

When was NW 30th RD over Cpkc RR built?

It was built in 1930, making it 95 years old in 2025.

What condition is NW 30th RD over Cpkc RR in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does NW 30th RD over Cpkc RR carry?

About 300 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NW 30th RD over Cpkc RR?

The structure is 112 ft (34.1 m) long with a longest span of 38 ft (11.6 m) and a deck 25 ft wide.

Who owns NW 30th RD over Cpkc RR?

It is owned by the Railroad.