US Bridges

Black Horse RD over Hollis Br

Good

Webster County, Missouri · S 33 T 32 N R 18 W · Structure no. 36637

Built
2020
5 years old
Condition
Good
inspected April 2023
Type
Culvert
Steel
Length
20 ft
2 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

Black Horse RD over Hollis Br is a steel culvert carrying Black Horse RD over Hollis Br in Webster County, Missouri. It was built in 2020, so it is 5 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 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 40 vehicles a day, roughly 10% of them trucks, projected to reach 66 by 2043. The structure is 20 ft (6.1 m) long and 23 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesBlack Horse RD
CrossesHollis Br
LocationS 33 T 32 N R 18 W
RouteCounty Highway 88
CountyWebster County
StateMissouri
Coordinates37.44933, -92.91797
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialSteel
DeckNot applicable
Main spans2
Design loadHS 20
Structure length20 ft (6.1 m)
Longest span8 ft (2.4 m)
Deck width23 ft (7 m)
Roadway width23 ft (7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic66 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Black Horse RD over Hollis Br built?

It was built in 2020, making it 5 years old in 2025.

What condition is Black Horse RD over Hollis Br 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 April 2023.

How much traffic does Black Horse RD over Hollis Br carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Black Horse RD over Hollis Br?

The structure is 20 ft (6.1 m) long with a longest span of 8 ft (2.4 m) and a deck 23 ft wide.

Who owns Black Horse RD over Hollis Br?

It is owned by the County Highway Agency.