US Bridges

Hannicon Access over ST Clair CR

Fair

Ralls County, Missouri · S 1 T 56 N R 5 W · Structure no. 18438

Built
1993
32 years old
Condition
Fair
inspected July 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
200
2023 count
Owner
City
City or Municipal Highway Agency

About this bridge

Hannicon Access over ST Clair CR is a prestressed concrete box beam or girders - multiple carrying Hannicon Access over ST Clair CR in Ralls County, Missouri. It was built in 1993, so it is 32 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 200 vehicles a day, roughly 20% of them trucks, projected to reach 270 by 2043. The structure is 67 ft (20.4 m) long and 32 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesHannicon Access
CrossesST Clair CR
LocationS 1 T 56 N R 5 W
RouteCity Street 0
Coordinates39.68286, -91.40217
Functional classUrban 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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionJuly 2024
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating47.6 US tons
Inventory rating28.8 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span65 ft (19.8 m)
Deck width32 ft (9.8 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic200 (2023)
Projected traffic270 by 2043
Trucks20%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal 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 Hannicon Access over ST Clair CR built?

It was built in 1993, making it 32 years old in 2025.

What condition is Hannicon Access over ST Clair CR 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 July 2024.

How much traffic does Hannicon Access over ST Clair CR carry?

About 200 vehicles per day (2023 count), of which roughly 20% are trucks.

How long is Hannicon Access over ST Clair CR?

The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 32 ft wide.

Who owns Hannicon Access over ST Clair CR?

It is owned by the City or Municipal Highway Agency.