US Bridges

SE 30th RD over Trib Pettis CR

Good

Barton County, Missouri · S 10 T 31 N R 30 W · Structure no. 23327

Built
1981
44 years old
Condition
Good
inspected March 2023
Type
Slab
Concrete Continuous
Length
34 ft
2 main spans
Daily traffic
40
2023 count
Owner
County
County Highway Agency

About this bridge

SE 30th RD over Trib Pettis CR is a concrete continuous slab carrying SE 30th RD over Trib Pettis CR in Barton 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 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 40 vehicles a day, roughly 10% of them trucks, projected to reach 56 by 2043. The structure is 34 ft (10.4 m) long and 24 ft wide. If it were closed, the detour would be 6.8 mi (11 km).

CarriesSE 30th RD
CrossesTrib Pettis CR
LocationS 10 T 31 N R 30 W
RouteCounty Highway 403
Coordinates37.45438, -94.20879
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.
Superstructure8 Very GoodNo problems noted.
Substructure8 Very GoodNo problems noted.
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 evaluation4: Meets minimum tolerable limits to be left in place as is
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating28.8 US tons
Inventory rating16.9 US tons

Structure

Structure typeSlab
MaterialConcrete Continuous
DeckConcrete, cast-in-place
Main spans2
Design loadOther
Structure length34 ft (10.4 m)
Longest span18 ft (5.5 m)
Deck width24 ft (7.2 m)
Roadway width22 ft (6.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic40 (2023)
Projected traffic56 by 2043
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed6.8 mi (11 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 SE 30th RD over Trib Pettis CR built?

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

What condition is SE 30th RD over Trib Pettis 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 March 2023.

How much traffic does SE 30th RD over Trib Pettis CR carry?

About 40 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is SE 30th RD over Trib Pettis CR?

The structure is 34 ft (10.4 m) long with a longest span of 18 ft (5.5 m) and a deck 24 ft wide.

Who owns SE 30th RD over Trib Pettis CR?

It is owned by the County Highway Agency.