US Bridges

Blattner RD over Trib of Smith Br

Fair

Warren County, Missouri · S 26 T 47 N R 1 W · Structure no. 30090

Built
2002
23 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
31 ft
1 main span
Daily traffic
75
2024 count
Owner
County
County Highway Agency

About this bridge

Blattner RD over Trib of Smith Br is a steel stringer/multi-beam or girder carrying Blattner RD over Trib of Smith Br in Warren County, Missouri. It was built in 2002, so it is 23 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 75 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2044. The structure is 31 ft (9.3 m) long and 26 ft wide. If it were closed, the detour would be 98.8 mi (159 km).

Location

Open in Google Maps
CarriesBlattner RD
CrossesTrib of Smith Br
LocationS 26 T 47 N R 1 W
RouteCounty Highway 74
CountyWarren County
StateMissouri
Coordinates38.79736, -90.98531
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionFebruary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
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 rating110.1 US tons
Inventory rating80.4 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length31 ft (9.3 m)
Longest span30 ft (9 m)
Deck width26 ft (7.8 m)
Roadway width26 ft (7.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic75 (2024)
Projected traffic120 by 2044
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 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 Blattner RD over Trib of Smith Br built?

It was built in 2002, making it 23 years old in 2025.

What condition is Blattner RD over Trib of Smith Br 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 February 2024.

How much traffic does Blattner RD over Trib of Smith Br carry?

About 75 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Blattner RD over Trib of Smith Br?

The structure is 31 ft (9.3 m) long with a longest span of 30 ft (9 m) and a deck 26 ft wide.

Who owns Blattner RD over Trib of Smith Br?

It is owned by the County Highway Agency.