US Bridges

Or 49 S over Mound Br

Good

Bates County, Missouri · S 5 T 39 N R 31 W · Structure no. 32836

Built
2010
15 years old
Condition
Good
inspected October 2023
Type
Stringer/Multi-beam or Girder
Steel Continuous
Length
181 ft
3 main spans
Daily traffic
42
2024 count
Owner
State
State Highway Agency

About this bridge

Or 49 S over Mound Br is a steel continuous stringer/multi-beam or girder carrying Or 49 S over Mound Br in Bates County, Missouri. It was built in 2010, so it is 15 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 42 vehicles a day, roughly 14% of them trucks, projected to reach 57 by 2044. The structure is 181 ft (55.3 m) long and 27 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesOr 49 S
CrossesMound Br
LocationS 5 T 39 N R 31 W
RouteState Highway 49
Coordinates38.21664, -94.35153
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating86.3 US tons
Inventory rating51.6 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans3
Design loadHL 93
Structure length181 ft (55.3 m)
Longest span74 ft (22.6 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic42 (2024)
Projected traffic57 by 2044
Trucks14%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState Highway Agency
Historic statusHistorical significance not determinable at this time
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Or 49 S over Mound Br built?

It was built in 2010, making it 15 years old in 2025.

What condition is Or 49 S over Mound Br 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 October 2023.

How much traffic does Or 49 S over Mound Br carry?

About 42 vehicles per day (2024 count), of which roughly 14% are trucks.

How long is Or 49 S over Mound Br?

The structure is 181 ft (55.3 m) long with a longest span of 74 ft (22.6 m) and a deck 27 ft wide.

Who owns Or 49 S over Mound Br?

It is owned by the State Highway Agency.