US Bridges

230th ST over Br of Grand Rvr

Fair

Daviess County, Missouri · S 5 T 59 N R 27 W · Structure no. 31616

Built
2006
19 years old
Condition
Fair
inspected January 2024
Type
Tee Beam
Prestressed Concrete Continuous
Length
139 ft
1 main span
Daily traffic
35
2024 count
Owner
County
County Highway Agency

About this bridge

230th ST over Br of Grand Rvr is a prestressed concrete continuous tee beam carrying 230th ST over Br of Grand Rvr in Daviess County, Missouri. It was built in 2006, so it is 19 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 35 vehicles a day, roughly 10% of them trucks, projected to reach 40 by 2044. The structure is 139 ft (42.4 m) long and 27 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

Carries230th ST
CrossesBr of Grand Rvr
LocationS 5 T 59 N R 27 W
RouteCounty Highway 606
Coordinates39.94657, -93.96619
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.
Substructure7 GoodSome minor problems.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionJanuary 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry6: Equal to present minimum criteria
Waterway adequacy8: Equal to present desirable criteria
Approach roadway alignment7: Better than present minimum criteria
Operating rating65.5 US tons
Inventory rating38.7 US tons

Structure

Structure typeTee Beam
MaterialPrestressed Concrete Continuous
DeckConcrete, cast-in-place
Main spans1 (+2 approach)
Design loadHS 20
Structure length139 ft (42.4 m)
Longest span50 ft (15.2 m)
Deck width27 ft (8.1 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic35 (2024)
Projected traffic40 by 2044
Trucks10%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 230th ST over Br of Grand Rvr built?

It was built in 2006, making it 19 years old in 2025.

What condition is 230th ST over Br of Grand Rvr 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 January 2024.

How much traffic does 230th ST over Br of Grand Rvr carry?

About 35 vehicles per day (2024 count), of which roughly 10% are trucks.

How long is 230th ST over Br of Grand Rvr?

The structure is 139 ft (42.4 m) long with a longest span of 50 ft (15.2 m) and a deck 27 ft wide.

Who owns 230th ST over Br of Grand Rvr?

It is owned by the County Highway Agency.