US Bridges

CR 1100E over Black Creek

Fair

Grant County, Indiana · 01.60 MI N of CR 400N · Structure no. 2700028

Built
1972
53 years old
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
56 ft
1 main span
Daily traffic
110
2021 count
Owner
County
County Highway Agency

About this bridge

CR 1100E over Black Creek is a prestressed concrete box beam or girders - multiple carrying CR 1100E over Black Creek in Grant County, Indiana. It was built in 1972, so it is 53 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 110 vehicles a day, roughly 5% of them trucks, projected to reach 170 by 2041. The structure is 56 ft (17 m) long and 20 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesCR 1100E
CrossesBlack Creek
Location01.60 MI N of CR 400N
RouteCounty Highway 71
StateIndiana
Coordinates40.63381, -85.46749
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.
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 inspectionOctober 2023
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 geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating52 US tons
Inventory rating40.1 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length56 ft (17 m)
Longest span52 ft (16 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.9 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2021)
Projected traffic170 by 2041
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed0.6 mi (1 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 CR 1100E over Black Creek built?

It was built in 1972, making it 53 years old in 2025.

What condition is CR 1100E over Black 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 October 2023.

How much traffic does CR 1100E over Black Creek carry?

About 110 vehicles per day (2021 count), of which roughly 5% are trucks.

How long is CR 1100E over Black Creek?

The structure is 56 ft (17 m) long with a longest span of 52 ft (16 m) and a deck 20 ft wide.

Who owns CR 1100E over Black Creek?

It is owned by the County Highway Agency.