US Bridges

SW1101 over Bear CR

Good

Henry County, Missouri · S 19 T 40 N R 27 W · Structure no. 24642

Built
1900
125 years old, rebuilt 1989
Condition
Good
inspected March 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
60 ft
1 main span
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

SW1101 over Bear CR is a steel stringer/multi-beam or girder carrying SW1101 over Bear CR in Henry County, Missouri. It was built in 1900 and reconstructed in 1989, so it is 125 years old, older 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 56 by 2043. The structure is 60 ft (18.3 m) long and 19 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesSW1101
CrossesBear CR
LocationS 19 T 40 N R 27 W
RouteCounty Highway 523
Coordinates38.25266, -93.96304
Functional classRural Local

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.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating46.6 US tons
Inventory rating28.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadOther
Structure length60 ft (18.3 m)
Longest span57 ft (17.4 m)
Deck width19 ft (5.8 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic56 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was SW1101 over Bear CR built?

It was built in 1900, making it 125 years old in 2025. It was reconstructed in 1989.

What condition is SW1101 over Bear CR 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 March 2023.

How much traffic does SW1101 over Bear CR carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SW1101 over Bear CR?

The structure is 60 ft (18.3 m) long with a longest span of 57 ft (17.4 m) and a deck 19 ft wide.

Who owns SW1101 over Bear CR?

It is owned by the County Highway Agency.