US Bridges

Rt H S over Horstman CR

Good

Gasconade County, Missouri · S 7 T 45 N R 4 W · Structure no. 7169

Built
1959
66 years old
Condition
Good
inspected September 2024
Type
Culvert
Concrete Continuous
Length
45 ft
3 main spans
Daily traffic
404
2024 count
Owner
State
State Highway Agency

About this bridge

Rt H S over Horstman CR is a concrete continuous culvert carrying Rt H S over Horstman CR in Gasconade County, Missouri. It was built in 1959, so it is 66 years old, older 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 404 vehicles a day, roughly 2% of them trucks, projected to reach 525 by 2044. The structure is 45 ft (13.8 m) long and 34 ft wide. If it were closed, the detour would be 16.8 mi (27 km).

CarriesRt H S
CrossesHorstman CR
LocationS 7 T 45 N R 4 W
RouteState Highway 0H
Coordinates38.66699, -91.40611
Functional classRural Major Collector

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 inspectionSeptember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating41.7 US tons
Inventory rating24.8 US tons

Structure

Structure typeCulvert
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadH 10
Structure length45 ft (13.8 m)
Longest span12 ft (3.7 m)
Deck width34 ft (10.5 m)
Roadway width32 ft (9.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic404 (2024)
Projected traffic525 by 2044
Trucks2%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed16.8 mi (27 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 Rt H S over Horstman CR built?

It was built in 1959, making it 66 years old in 2025.

What condition is Rt H S over Horstman CR 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 September 2024.

How much traffic does Rt H S over Horstman CR carry?

About 404 vehicles per day (2024 count), of which roughly 2% are trucks.

How long is Rt H S over Horstman CR?

The structure is 45 ft (13.8 m) long with a longest span of 12 ft (3.7 m) and a deck 34 ft wide.

Who owns Rt H S over Horstman CR?

It is owned by the State Highway Agency.