US Bridges

SE 300 over Pretty Bob CR

Good

Henry County, Missouri · S 24 T 41 N R 25 W · Structure no. 35490

Built
2016
9 years old
Condition
Good
inspected February 2023
Type
Stringer/Multi-beam or Girder
Steel
Length
24 ft
1 main span
Daily traffic
5
2023 count
Owner
County
County Highway Agency

About this bridge

SE 300 over Pretty Bob CR is a steel stringer/multi-beam or girder carrying SE 300 over Pretty Bob CR in Henry County, Missouri. It was built in 2016, so it is 9 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 5 vehicles a day, roughly 10% of them trucks, projected to reach 7 by 2043. The structure is 24 ft (7.4 m) long and 20 ft wide. If it were closed, the detour would be 123.7 mi (199 km).

CarriesSE 300
CrossesPretty Bob CR
LocationS 24 T 41 N R 25 W
RouteCounty Highway 373
Coordinates38.31943, -93.64088
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
Deck9 ExcellentNo problems noted.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionFebruary 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 rating43.7 US tons
Inventory rating25.8 US tons

Structure

MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadHL 93
Structure length24 ft (7.4 m)
Longest span23 ft (6.9 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5 (2023)
Projected traffic7 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed123.7 mi (199 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 SE 300 over Pretty Bob CR built?

It was built in 2016, making it 9 years old in 2025.

What condition is SE 300 over Pretty Bob 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 February 2023.

How much traffic does SE 300 over Pretty Bob CR carry?

About 5 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SE 300 over Pretty Bob CR?

The structure is 24 ft (7.4 m) long with a longest span of 23 ft (6.9 m) and a deck 20 ft wide.

Who owns SE 300 over Pretty Bob CR?

It is owned by the County Highway Agency.