US Bridges

SB Hickman Mills over Big Blue Rvr

Good

Jackson County, Missouri · S 22 T 48 N R 33 W · Structure no. 28448

Built
1992
33 years old
Condition
Good
inspected April 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
532 ft
7 main spans
Daily traffic
3,386
2024 count
Owner
City
City or Municipal Highway Agency

About this bridge

SB Hickman Mills over Big Blue Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying SB Hickman Mills over Big Blue Rvr in Jackson County, Missouri. It was built in 1992, so it is 33 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 3,386 vehicles a day, roughly 5% of them trucks, projected to reach 4,402 by 2044. The structure is 532 ft (162.2 m) long and 48 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSB Hickman Mills
CrossesBig Blue Rvr
LocationS 22 T 48 N R 33 W
RouteCity Street 0
Coordinates38.97197, -94.54801
Functional classUrban Minor Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure8 Very GoodNo problems noted.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation7: Better than present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.4 US tons
Inventory rating37.7 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans7
Design loadHS 20 + Mod
Structure length532 ft (162.2 m)
Longest span89 ft (27.1 m)
Deck width48 ft (14.6 m)
Roadway width44 ft (13.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic3,386 (2024)
Projected traffic4,402 by 2044
Trucks5%
Lanes on structure3
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 SB Hickman Mills over Big Blue Rvr built?

It was built in 1992, making it 33 years old in 2025.

What condition is SB Hickman Mills over Big Blue Rvr 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 2024.

How much traffic does SB Hickman Mills over Big Blue Rvr carry?

About 3,386 vehicles per day (2024 count), of which roughly 5% are trucks.

How long is SB Hickman Mills over Big Blue Rvr?

The structure is 532 ft (162.2 m) long with a longest span of 89 ft (27.1 m) and a deck 48 ft wide.

Who owns SB Hickman Mills over Big Blue Rvr?

It is owned by the City or Municipal Highway Agency.