US Bridges

Mo 99 S over Eleven Point Rvr

Good

Oregon County, Missouri · S 32 T 25 N R 5 W · Structure no. 29139

Built
2001
24 years old
Condition
Good
inspected January 2024
Type
Stringer/Multi-beam or Girder
Prestressed Concrete Continuous
Length
674 ft
6 main spans
Daily traffic
718
2024 count
Owner
State
State Highway Agency

About this bridge

Mo 99 S over Eleven Point Rvr is a prestressed concrete continuous stringer/multi-beam or girder carrying Mo 99 S over Eleven Point Rvr in Oregon County, Missouri. It was built in 2001, so it is 24 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 718 vehicles a day, roughly 17% of them trucks, projected to reach 1,005 by 2044. The structure is 674 ft (205.4 m) long and 35 ft wide. If it were closed, the detour would be 24.9 mi (40 km).

CarriesMo 99 S
CrossesEleven Point Rvr
LocationS 32 T 25 N R 5 W
RouteState Highway 99
Coordinates36.78675, -91.53166
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating85.3 US tons
Inventory rating49.6 US tons

Structure

MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans6 (+3 approach)
Design loadHS 20
Structure length674 ft (205.4 m)
Longest span91 ft (27.6 m)
Deck width35 ft (10.6 m)
Roadway width32 ft (9.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic718 (2024)
Projected traffic1,005 by 2044
Trucks17%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed24.9 mi (40 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 99 S over Eleven Point Rvr built?

It was built in 2001, making it 24 years old in 2025.

What condition is Mo 99 S over Eleven Point Rvr 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 January 2024.

How much traffic does Mo 99 S over Eleven Point Rvr carry?

About 718 vehicles per day (2024 count), of which roughly 17% are trucks.

How long is Mo 99 S over Eleven Point Rvr?

The structure is 674 ft (205.4 m) long with a longest span of 91 ft (27.6 m) and a deck 35 ft wide.

Who owns Mo 99 S over Eleven Point Rvr?

It is owned by the State Highway Agency.