US Bridges

CR 28 over Big Run

Fair

DeKalb County, Indiana · 00.50 E of CR 71 · Structure no. 1700060

Built
1935
90 years old, rebuilt 1975
Condition
Fair
inspected October 2024
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
48 ft
1 main span
Daily traffic
250
2025 count
Owner
County
County Highway Agency

About this bridge

CR 28 over Big Run is a prestressed concrete box beam or girders - multiple carrying CR 28 over Big Run in DeKalb County, Indiana. It was built in 1935 and reconstructed in 1975, so it is 90 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 5 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 250 vehicles a day, roughly 6% of them trucks, projected to reach 325 by 2044. The structure is 48 ft (14.5 m) long and 24 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Location

Open in Google Maps
CarriesCR 28
CrossesBig Run
Location00.50 E of CR 71
RouteCounty Highway 154
CountyDeKalb County
StateIndiana
Coordinates41.42991, -84.84301
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.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionOctober 2024
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating79.5 US tons
Inventory rating47.6 US tons

Structure

Structure typeBox Beam or Girders - Multiple
MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length48 ft (14.5 m)
Longest span45 ft (13.7 m)
Deck width24 ft (7.3 m)
Roadway width23 ft (7.1 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic250 (2025)
Projected traffic325 by 2044
Trucks6%
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 28 over Big Run built?

It was built in 1935, making it 90 years old in 2025. It was reconstructed in 1975.

What condition is CR 28 over Big Run 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 2024.

How much traffic does CR 28 over Big Run carry?

About 250 vehicles per day (2025 count), of which roughly 6% are trucks.

How long is CR 28 over Big Run?

The structure is 48 ft (14.5 m) long with a longest span of 45 ft (13.7 m) and a deck 24 ft wide.

Who owns CR 28 over Big Run?

It is owned by the County Highway Agency.