US Bridges

Rt Hh E over Hinkson Creek

Fair

Boone County, Missouri · S 11 T 49 N R 12 W · Structure no. 7302

Built
1961
64 years old, rebuilt 2019
Condition
Fair
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
174 ft
3 main spans
Daily traffic
647
2024 count
Owner
State
State Highway Agency

About this bridge

Rt Hh E over Hinkson Creek is a steel continuous stringer/multi-beam or girder carrying Rt Hh E over Hinkson Creek in Boone County, Missouri. It was built in 1961 and reconstructed in 2019, so it is 64 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 647 vehicles a day, roughly 17% of them trucks, projected to reach 1,132 by 2044. The structure is 174 ft (53 m) long and 22 ft wide. If it were closed, the detour would be 18 mi (29 km).

CarriesRt Hh E
CrossesHinkson Creek
LocationS 11 T 49 N R 12 W
RouteState Highway 0HH
Coordinates39.03624, -92.24023
Functional classUrban Collector

Condition and inspection

Fair

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

ComponentRatingMeaning
Deck9 ExcellentNo problems noted.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating53.6 US tons
Inventory rating31.7 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length174 ft (53 m)
Longest span70 ft (21.3 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic647 (2024)
Projected traffic1,132 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed18 mi (29 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 Hh E over Hinkson Creek built?

It was built in 1961, making it 64 years old in 2025. It was reconstructed in 2019.

What condition is Rt Hh E over Hinkson 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 September 2023.

How much traffic does Rt Hh E over Hinkson Creek carry?

About 647 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Rt Hh E over Hinkson Creek?

The structure is 174 ft (53 m) long with a longest span of 70 ft (21.3 m) and a deck 22 ft wide.

Who owns Rt Hh E over Hinkson Creek?

It is owned by the State Highway Agency.