US Bridges

Dulin CR RD over Dunlin CR

Good

Jefferson County, Missouri · S 16 T 42 N R 4 E · Structure no. 32795

Built
2010
15 years old
Condition
Good
inspected February 2025
Type
Culvert
Concrete
Length
58 ft
1 main span
Daily traffic
1,450
2023 count
Owner
County
County Highway Agency

About this bridge

Dulin CR RD over Dunlin CR is a concrete culvert carrying Dulin CR RD over Dunlin CR in Jefferson 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 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 1,450 vehicles a day, roughly 5% of them trucks, projected to reach 2,900 by 2043. The structure is 58 ft (17.6 m) long and 36 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

Open in Google Maps
CarriesDulin CR RD
CrossesDunlin CR
LocationS 16 T 42 N R 4 E
RouteCounty Highway 142
CountyJefferson County
StateMissouri
Coordinates38.38398, -90.58364
Functional classRural Minor Collector

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection7 GoodSome minor problems.
Culvert7 GoodSome minor problems.
Last inspectionFebruary 2025
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation7: Better than 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 rating59.5 US tons
Inventory rating35.7 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans1
Design loadHS 20
Structure length58 ft (17.6 m)
Longest span57 ft (17.4 m)
Deck width36 ft (11 m)
Roadway width36 ft (11 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,450 (2023)
Projected traffic2,900 by 2043
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 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 Dulin CR RD over Dunlin CR built?

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

What condition is Dulin CR RD over Dunlin 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 February 2025.

How much traffic does Dulin CR RD over Dunlin CR carry?

About 1,450 vehicles per day (2023 count), of which roughly 5% are trucks.

How long is Dulin CR RD over Dunlin CR?

The structure is 58 ft (17.6 m) long with a longest span of 57 ft (17.4 m) and a deck 36 ft wide.

Who owns Dulin CR RD over Dunlin CR?

It is owned by the County Highway Agency.