US Bridges

NW 1301 RD S over Holwell Br

Fair

Henry County, Missouri · S 34 T 43 N R 28 W · Structure no. 3671

Built
1988
37 years old
Condition
Fair
inspected March 2023
Type
Culvert
Concrete Continuous
Length
23 ft
2 main spans
Daily traffic
54
2024 count
Owner
State
State Highway Agency

About this bridge

NW 1301 RD S over Holwell Br is a concrete continuous culvert carrying NW 1301 RD S over Holwell Br in Henry County, Missouri. It was built in 1988, so it is 37 years old, younger 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 54 vehicles a day, roughly 11% of them trucks, projected to reach 81 by 2044. The structure is 23 ft (7 m) long and 30 ft wide. If it were closed, the detour would be 5 mi (8 km).

Location

Open in Google Maps
CarriesNW 1301 RD S
CrossesHolwell Br
LocationS 34 T 43 N R 28 W
RouteCounty Highway 0
CountyHenry County
StateMissouri
Coordinates38.46508, -93.99449
Functional classRural Local

Condition and inspection

Fair

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

ComponentRatingMeaning
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry7: Better than present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating110.1 US tons
Inventory rating77.4 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans2
Design loadHS 20
Structure length23 ft (7 m)
Longest span11 ft (3.4 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic54 (2024)
Projected traffic81 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 NW 1301 RD S over Holwell Br built?

It was built in 1988, making it 37 years old in 2025.

What condition is NW 1301 RD S over Holwell Br 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 NW 1301 RD S over Holwell Br carry?

About 54 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is NW 1301 RD S over Holwell Br?

The structure is 23 ft (7 m) long with a longest span of 11 ft (3.4 m) and a deck 30 ft wide.

Who owns NW 1301 RD S over Holwell Br?

It is owned by the State Highway Agency.