US Bridges

Rt B S over Mill CR

FairPosted for load

Ste. Genevieve County, Missouri · S 2 T 36 N R 8 E · Structure no. 8429

Built
1965
60 years old
Condition
Fair
inspected October 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
102 ft
3 main spans
Daily traffic
581
2024 count
Owner
State
State Highway Agency

About this bridge

Rt B S over Mill CR is a steel stringer/multi-beam or girder carrying Rt B S over Mill CR in Ste. Genevieve County, Missouri. It was built in 1965, so it is 60 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. Its operating status is: posted for load restriction.

It carries about 581 vehicles a day, roughly 13% of them trucks, projected to reach 813 by 2044. The structure is 102 ft (31.1 m) long and 29 ft wide. If it were closed, the detour would be 42.3 mi (68 km).

CarriesRt B S
CrossesMill CR
LocationS 2 T 36 N R 8 E
RouteState Highway 0B
Coordinates37.85546, -90.11626
Functional classRural Major 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
Deck7 GoodSome minor problems.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour above top of footing
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating39.7 US tons
Inventory rating23.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadH 15
Structure length102 ft (31.1 m)
Longest span34 ft (10.5 m)
Deck width29 ft (8.7 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic581 (2024)
Projected traffic813 by 2044
Trucks13%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed42.3 mi (68 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 B S over Mill CR built?

It was built in 1965, making it 60 years old in 2025.

What condition is Rt B S over Mill 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 October 2024.

How much traffic does Rt B S over Mill CR carry?

About 581 vehicles per day (2024 count), of which roughly 13% are trucks.

How long is Rt B S over Mill CR?

The structure is 102 ft (31.1 m) long with a longest span of 34 ft (10.5 m) and a deck 29 ft wide.

Who owns Rt B S over Mill CR?

It is owned by the State Highway Agency.