US Bridges

Mo 156 E over Bear CR

Good

Macon County, Missouri · S 7 T 60 N R 13 W · Structure no. 8333

Built
1963
62 years old, rebuilt 2009
Condition
Good
inspected September 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
327 ft
7 main spans
Daily traffic
607
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 156 E over Bear CR is a steel stringer/multi-beam or girder carrying Mo 156 E over Bear CR in Macon County, Missouri. It was built in 1963 and reconstructed in 2009, so it is 62 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 607 vehicles a day, roughly 19% of them trucks, projected to reach 759 by 2044. The structure is 327 ft (99.7 m) long and 27 ft wide. If it were closed, the detour would be 28 mi (45 km).

CarriesMo 156 E
CrossesBear CR
LocationS 7 T 60 N R 13 W
RouteState Highway 156
Coordinates40.01982, -92.39507
Functional classRural Major Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure7 GoodSome minor problems.
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 evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating32.7 US tons
Inventory rating19.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans7
Design loadH 15
Structure length327 ft (99.7 m)
Longest span46 ft (14 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic607 (2024)
Projected traffic759 by 2044
Trucks19%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed28 mi (45 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 Mo 156 E over Bear CR built?

It was built in 1963, making it 62 years old in 2025. It was reconstructed in 2009.

What condition is Mo 156 E 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 September 2023.

How much traffic does Mo 156 E over Bear CR carry?

About 607 vehicles per day (2024 count), of which roughly 19% are trucks.

How long is Mo 156 E over Bear CR?

The structure is 327 ft (99.7 m) long with a longest span of 46 ft (14 m) and a deck 27 ft wide.

Who owns Mo 156 E over Bear CR?

It is owned by the State Highway Agency.