US Bridges

Township RD over Big CR

Fair

Warren County, Missouri · S 4 T 47 N R 2 W · Structure no. 32503

Built
2008
17 years old
Condition
Fair
inspected February 2024
Type
Stringer/Multi-beam or Girder
Steel
Length
137 ft
3 main spans
Daily traffic
100
2024 count
Owner
County
County Highway Agency

About this bridge

Township RD over Big CR is a steel stringer/multi-beam or girder carrying Township RD over Big CR in Warren County, Missouri. It was built in 2008, so it is 17 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 160 by 2044. The structure is 137 ft (41.8 m) long and 27 ft wide. If it were closed, the detour would be 9.9 mi (16 km).

Location

Open in Google Maps
CarriesTownship RD
CrossesBig CR
LocationS 4 T 47 N R 2 W
RouteCounty Highway 42
CountyWarren County
StateMissouri
Coordinates38.86986, -91.14331
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.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment8: Equal to present desirable criteria
Operating rating104.2 US tons
Inventory rating62.5 US tons

Structure

Structure typeStringer/Multi-beam or Girder
MaterialSteel
DeckConcrete, cast-in-place
Main spans3
Design loadHS 20
Structure length137 ft (41.8 m)
Longest span35 ft (10.7 m)
Deck width27 ft (8.1 m)
Roadway width26 ft (7.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2024)
Projected traffic160 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed9.9 mi (16 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 Township RD over Big CR built?

It was built in 2008, making it 17 years old in 2025.

What condition is Township RD over Big 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 February 2024.

How much traffic does Township RD over Big CR carry?

About 100 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is Township RD over Big CR?

The structure is 137 ft (41.8 m) long with a longest span of 35 ft (10.7 m) and a deck 27 ft wide.

Who owns Township RD over Big CR?

It is owned by the County Highway Agency.