NW251 over Fields CR

Fair

Henry County, Missouri · S 20 T 42 N R 26 W · Structure no. 19778

Built: 1920; 105 years old, rebuilt 1989
Condition: Fair; inspected March 2023
Type: Slab; Concrete
Length: 106 ft; 3 main spans
Daily traffic: 50; 2023 count
Owner: County; County Highway Agency

About this bridge

NW251 over Fields CR is a concrete slab carrying NW251 over Fields 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 106 ft (32.3 m) long and 26 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

Location

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CarriesNW251

CrossesFields CR

LocationS 20 T 42 N R 26 W

RouteCounty Highway 233

CountyHenry County

StateMissouri

Coordinates38.42432, -93.81711

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.

Component	Rating	Meaning
Deck	7 Good	Some minor problems.
Superstructure	7 Good	Some minor problems.
Substructure	6 Satisfactory	Structural elements show some minor deterioration.
Channel and channel protection	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.

Last inspectionMarch 2023

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour within limits of footing or piles

Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is

Deck geometry6: Equal to present minimum criteria

Waterway adequacy7: Better than present minimum criteria

Approach roadway alignment6: Equal to present minimum criteria

Operating rating54.6 US tons

Inventory rating17.9 US tons

Structure

Structure typeSlab

MaterialConcrete

DeckConcrete, cast-in-place

Main spans3

Design loadOther

Structure length106 ft (32.3 m)

Longest span40 ft (12.2 m)

Deck width26 ft (8 m)

Roadway width24 ft (7.3 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 closed6.8 mi (11 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 NW251 over Fields CR built?

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

What condition is NW251 over Fields 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 March 2023.

How much traffic does NW251 over Fields CR carry?

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

How long is NW251 over Fields CR?

The structure is 106 ft (32.3 m) long with a longest span of 40 ft (12.2 m) and a deck 26 ft wide.

Who owns NW251 over Fields CR?

It is owned by the County Highway Agency.