US Bridges

Rt F S over Is 70

Good

Warren County, Missouri · S 16 T 47 N R 1 W · Structure no. 3127

Built
1981
44 years old
Condition
Good
inspected December 2024
Type
Box Beam or Girders - Multiple
Steel Continuous
Length
197 ft
2 main spans
Daily traffic
5,008
2024 count
Owner
State
State Highway Agency

About this bridge

Rt F S over Is 70 is a steel continuous box beam or girders - multiple carrying Rt F S over Is 70 in Warren County, Missouri. It was built in 1981, so it is 44 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 5,008 vehicles a day, roughly 11% of them trucks, projected to reach 10,016 by 2044. The structure is 197 ft (60 m) long and 53 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

CarriesRt F S
CrossesIs 70
LocationS 16 T 47 N R 1 W
RouteState Highway 0F
Coordinates38.82999, -91.02052
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.
Superstructure9 ExcellentNo problems noted.
Substructure7 GoodSome minor problems.
Last inspectionDecember 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourBridge not over waterway
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating44.6 US tons
Inventory rating24.8 US tons

Structure

MaterialSteel Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadH 20
Structure length197 ft (60 m)
Longest span85 ft (25.8 m)
Deck width53 ft (16.1 m)
Roadway width44 ft (13.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic5,008 (2024)
Projected traffic10,016 by 2044
Trucks11%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway and pedestrian
CrossesHighway
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 statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNot applicable (no waterway)

Frequently asked questions

When was Rt F S over Is 70 built?

It was built in 1981, making it 44 years old in 2025.

What condition is Rt F S over Is 70 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 December 2024.

How much traffic does Rt F S over Is 70 carry?

About 5,008 vehicles per day (2024 count), of which roughly 11% are trucks.

How long is Rt F S over Is 70?

The structure is 197 ft (60 m) long with a longest span of 85 ft (25.8 m) and a deck 53 ft wide.

Who owns Rt F S over Is 70?

It is owned by the State Highway Agency.