US Bridges

Giesing Hill RD over Small Creek

FairPosted for load

Boone County, Missouri · S 22 T 45 N R 12 W · Structure no. 23220

Built
1981
44 years old
Condition
Fair
inspected December 2024
Type
Tee Beam
Prestressed Concrete
Length
36 ft
1 main span
Daily traffic
35
2023 count
Owner
County
County Highway Agency

About this bridge

Giesing Hill RD over Small Creek is a prestressed concrete tee beam carrying Giesing Hill RD over Small Creek in Boone County, Missouri. It was built in 1981, so it is 44 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. Its operating status is: posted for load restriction.

It carries about 35 vehicles a day, roughly 10% of them trucks, projected to reach 67 by 2043. The structure is 36 ft (11 m) long and 16 ft wide. If it were closed, the detour would be 3.7 mi (6 km).

CarriesGiesing Hill RD
CrossesSmall Creek
LocationS 22 T 45 N R 12 W
RouteCounty Highway 396
Coordinates38.66764, -92.26243
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating34.7 US tons
Inventory rating12.9 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans1
Design loadH 20
Structure length36 ft (11 m)
Longest span35 ft (10.7 m)
Deck width16 ft (5 m)
Roadway width16 ft (4.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2023)
Projected traffic67 by 2043
Trucks10%
Lanes on structure1
Traffic directionOne-lane bridge for two-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 proposedReplacement because of substandard load-carrying capacity or roadway geometry
Estimated improvement cost$327,000 (2025 estimate)
NavigationNo navigation control on waterway

Frequently asked questions

When was Giesing Hill RD over Small Creek built?

It was built in 1981, making it 44 years old in 2025.

What condition is Giesing Hill RD over Small Creek 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 December 2024.

How much traffic does Giesing Hill RD over Small Creek carry?

About 35 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Giesing Hill RD over Small Creek?

The structure is 36 ft (11 m) long with a longest span of 35 ft (10.7 m) and a deck 16 ft wide.

Who owns Giesing Hill RD over Small Creek?

It is owned by the County Highway Agency.