US Bridges

Iowa RD over Dry Auglaize CR

Fair

Laclede County, Missouri · S 18 T 35 N R 15 W · Structure no. 34686

Built
2014
11 years old
Condition
Fair
inspected March 2023
Type
Channel Beam
Concrete
Length
90 ft
2 main spans
Daily traffic
50
2023 count
Owner
County
County Highway Agency

About this bridge

Iowa RD over Dry Auglaize CR is a concrete channel beam carrying Iowa RD over Dry Auglaize CR in Laclede County, Missouri. It was built in 2014, so it is 11 years old, younger than the Missouri average of 45.1 years.

The most recent inspection reported to the Federal Highway Administration rates it in fair condition with a lowest component rating of 6 out of 9. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

It carries about 50 vehicles a day, roughly 10% of them trucks, projected to reach 70 by 2043. The structure is 90 ft (27.4 m) long and 25 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

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CarriesIowa RD
CrossesDry Auglaize CR
LocationS 18 T 35 N R 15 W
RouteCounty Highway 81
CountyLaclede County
StateMissouri
Coordinates37.76111, -92.6275
Functional classRural Local

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 geometry6: Equal to present minimum criteria
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating76.4 US tons
Inventory rating45.6 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length90 ft (27.4 m)
Longest span45 ft (13.7 m)
Deck width25 ft (7.5 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic50 (2023)
Projected traffic70 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed98.8 mi (159 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty 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 Iowa RD over Dry Auglaize CR built?

It was built in 2014, making it 11 years old in 2025.

What condition is Iowa RD over Dry Auglaize CR in?

The National Bridge Inventory rates it in fair condition. The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound. The last reported inspection was in March 2023.

How much traffic does Iowa RD over Dry Auglaize CR carry?

About 50 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is Iowa RD over Dry Auglaize CR?

The structure is 90 ft (27.4 m) long with a longest span of 45 ft (13.7 m) and a deck 25 ft wide.

Who owns Iowa RD over Dry Auglaize CR?

It is owned by the County Highway Agency.