US Bridges

County RD 167 over Black CR

Good

Iron County, Missouri · S 8 T 30 N R 4 E · Structure no. 34437

Built
2012
13 years old
Condition
Good
inspected February 2025
Type
Channel Beam
Concrete Continuous
Length
106 ft
3 main spans
Daily traffic
100
2023 count
Owner
County
County Highway Agency

About this bridge

County RD 167 over Black CR is a concrete continuous channel beam carrying County RD 167 over Black CR in Iron County, Missouri. It was built in 2012, so it is 13 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 100 vehicles a day, roughly 10% of them trucks, projected to reach 120 by 2043. The structure is 106 ft (32.3 m) long and 26 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCounty RD 167
CrossesBlack CR
LocationS 8 T 30 N R 4 E
RouteCounty Highway 167
Coordinates37.28833, -90.63
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
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure9 ExcellentNo problems noted.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
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 adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating63.5 US tons
Inventory rating37.7 US tons

Structure

Structure typeChannel Beam
MaterialConcrete Continuous
DeckNot applicable
Main spans3
Design loadHS 20 + Mod
Structure length106 ft (32.3 m)
Longest span35 ft (10.7 m)
Deck width26 ft (7.8 m)
Roadway width24 ft (7.3 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2023)
Projected traffic120 by 2043
Trucks10%
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

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 County RD 167 over Black CR built?

It was built in 2012, making it 13 years old in 2025.

What condition is County RD 167 over Black 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 County RD 167 over Black CR carry?

About 100 vehicles per day (2023 count), of which roughly 10% are trucks.

How long is County RD 167 over Black CR?

The structure is 106 ft (32.3 m) long with a longest span of 35 ft (10.7 m) and a deck 26 ft wide.

Who owns County RD 167 over Black CR?

It is owned by the County Highway Agency.