US Bridges

Or 70 E over Maddox CR

Good

Callaway County, Missouri · S 11 T 48 N R 9 W · Structure no. 33230

Built
2010
15 years old
Condition
Good
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
67 ft
1 main span
Daily traffic
540
2024 count
Owner
State
State Highway Agency

About this bridge

Or 70 E over Maddox CR is a prestressed concrete box beam or girders - multiple carrying Or 70 E over Maddox CR in Callaway County, Missouri. It was built in 2010, so it is 15 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 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 540 vehicles a day, roughly 12% of them trucks, projected to reach 837 by 2044. The structure is 67 ft (20.4 m) long and 30 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesOr 70 E
CrossesMaddox CR
LocationS 11 T 48 N R 9 W
RouteState Highway 70
Coordinates38.94394, -91.88826
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck8 Very GoodNo problems noted.
Superstructure9 ExcellentNo problems noted.
Substructure9 ExcellentNo problems noted.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation9: Superior to present desirable criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating72.4 US tons
Inventory rating43.7 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length67 ft (20.4 m)
Longest span65 ft (19.8 m)
Deck width30 ft (9.1 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic540 (2024)
Projected traffic837 by 2044
Trucks12%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 Or 70 E over Maddox CR built?

It was built in 2010, making it 15 years old in 2025.

What condition is Or 70 E over Maddox CR 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 October 2024.

How much traffic does Or 70 E over Maddox CR carry?

About 540 vehicles per day (2024 count), of which roughly 12% are trucks.

How long is Or 70 E over Maddox CR?

The structure is 67 ft (20.4 m) long with a longest span of 65 ft (19.8 m) and a deck 30 ft wide.

Who owns Or 70 E over Maddox CR?

It is owned by the State Highway Agency.