US Bridges

Killen Road over Silver Creek

Fair

Clark County, Indiana · 00.20 E of U.S. 31 · Structure no. 1000018

Built
1975
50 years old
Condition
Fair
inspected March 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
108 ft
3 main spans
Daily traffic
410
2018 count
Owner
County
County Highway Agency

About this bridge

Killen Road over Silver Creek is a prestressed concrete box beam or girders - multiple carrying Killen Road over Silver Creek in Clark County, Indiana. It was built in 1975, so it is 50 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 410 vehicles a day, roughly 3% of them trucks, projected to reach 710 by 2038. The structure is 108 ft (32.9 m) long and 28 ft wide. If it were closed, the detour would be 5 mi (8 km).

CarriesKillen Road
CrossesSilver Creek
Location00.20 E of U.S. 31
RouteCounty Highway 0
StateIndiana
Coordinates38.46201, -85.76389
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection7 GoodSome minor problems.
Last inspectionMarch 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment6: Equal to present minimum criteria
Operating rating44.3 US tons
Inventory rating34.3 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, cast-in-place
Main spans3
Design loadUnknown
Structure length108 ft (32.9 m)
Longest span46 ft (14 m)
Deck width28 ft (8.6 m)
Roadway width28 ft (8.5 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic410 (2018)
Projected traffic710 by 2038
Trucks3%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed5 mi (8 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 Killen Road over Silver Creek built?

It was built in 1975, making it 50 years old in 2025.

What condition is Killen Road over Silver Creek 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 March 2024.

How much traffic does Killen Road over Silver Creek carry?

About 410 vehicles per day (2018 count), of which roughly 3% are trucks.

How long is Killen Road over Silver Creek?

The structure is 108 ft (32.9 m) long with a longest span of 46 ft (14 m) and a deck 28 ft wide.

Who owns Killen Road over Silver Creek?

It is owned by the County Highway Agency.