US Bridges

Mulkey RD over Black River

Fair

Posey County, Indiana · 00.76 MI E of SR 165 · Structure no. 6500184

Built
1960
65 years old
Condition
Fair
inspected April 2024
Type
Channel Beam
Concrete
Length
40 ft
1 main span
Daily traffic
170
2022 count
Owner
County
County Highway Agency

About this bridge

Mulkey RD over Black River is a concrete channel beam carrying Mulkey RD over Black River in Posey County, Indiana. It was built in 1960, so it is 65 years old, older than the Indiana average of 46.6 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 170 vehicles a day, roughly 6% of them trucks, projected to reach 238 by 2042. The structure is 40 ft (12.1 m) long and 22 ft wide. If it were closed, the detour would be 2.5 mi (4 km).

CarriesMulkey RD
CrossesBlack River
Location00.76 MI E of SR 165
RouteCounty Highway 0
StateIndiana
Coordinates38.19105, -87.76717
Functional classRural Minor Collector

Condition and inspection

Fair

The lowest-rated primary component is rated 5 or 6. Minor deterioration is present but the structure is sound.

ComponentRatingMeaning
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure6 SatisfactoryStructural elements show some minor deterioration.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy5: Somewhat better than minimum adequacy to tolerate being left in place as is
Approach roadway alignment3: Basically intolerable, requiring high priority of corrective action
Operating rating45.3 US tons
Inventory rating35.1 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length40 ft (12.1 m)
Longest span38 ft (11.7 m)
Deck width22 ft (6.8 m)
Roadway width20 ft (6.2 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic170 (2022)
Projected traffic238 by 2042
Trucks6%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed2.5 mi (4 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 Mulkey RD over Black River built?

It was built in 1960, making it 65 years old in 2025.

What condition is Mulkey RD over Black River 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 April 2024.

How much traffic does Mulkey RD over Black River carry?

About 170 vehicles per day (2022 count), of which roughly 6% are trucks.

How long is Mulkey RD over Black River?

The structure is 40 ft (12.1 m) long with a longest span of 38 ft (11.7 m) and a deck 22 ft wide.

Who owns Mulkey RD over Black River?

It is owned by the County Highway Agency.