US Bridges

NW300 over Town CR

Fair

Henry County, Missouri · S 23 T 42 N R 26 W · Structure no. 19534

Built
1920
105 years old, rebuilt 1989
Condition
Fair
inspected February 2025
Type
Stringer/Multi-beam or Girder
Steel
Length
46 ft
1 main span
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

NW300 over Town CR is a steel stringer/multi-beam or girder carrying NW300 over Town CR in Henry County, Missouri. It was built in 1920 and reconstructed in 1989, so it is 105 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 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 46 ft (14 m) long and 20 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

Location

Open in Google Maps
CarriesNW300
CrossesTown CR
LocationS 23 T 42 N R 26 W
RouteCounty Highway 224
CountyHenry County
StateMissouri
Coordinates38.41042, -93.76814
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourCountermeasures installed to correct a previously existing problem
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 alignment8: Equal to present desirable criteria
Operating rating55.6 US tons
Inventory rating34.7 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length46 ft (14 m)
Longest span43 ft (13.1 m)
Deck width20 ft (6.2 m)
Roadway width20 ft (6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.7 mi (6 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 NW300 over Town CR built?

It was built in 1920, making it 105 years old in 2025. It was reconstructed in 1989.

What condition is NW300 over Town 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 February 2025.

How much traffic does NW300 over Town CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is NW300 over Town CR?

The structure is 46 ft (14 m) long with a longest span of 43 ft (13.1 m) and a deck 20 ft wide.

Who owns NW300 over Town CR?

It is owned by the County Highway Agency.