US Bridges

12th ST over Boots Creek

Fair

Grant County, Indiana · 00.21 MI W of Boots ST · Structure no. 2700790

Built
1921
104 years old, rebuilt 2003
Condition
Fair
inspected October 2023
Type
Box Beam or Girders - Multiple
Prestressed Concrete
Length
21 ft
1 main span
Daily traffic
1,000
2021 count
Owner
County
County Highway Agency

About this bridge

12th ST over Boots Creek is a prestressed concrete box beam or girders - multiple carrying 12th ST over Boots Creek in Grant County, Indiana. It was built in 1921 and reconstructed in 2003, so it is 104 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 1,000 vehicles a day, roughly 8% of them trucks, projected to reach 1,530 by 2041. The structure is 21 ft (6.4 m) long and 28 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

Carries12th ST
CrossesBoots Creek
Location00.21 MI W of Boots ST
RouteCity Street 0
StateIndiana
Coordinates40.55006, -85.66511
Functional classUrban 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.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionOctober 2023
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 adequacy6: Equal to present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating66 US tons
Inventory rating50.9 US tons

Structure

MaterialPrestressed Concrete
DeckConcrete, precast panels
Main spans1
Design loadHS 20
Structure length21 ft (6.4 m)
Longest span20 ft (6.1 m)
Deck width28 ft (8.5 m)
Roadway width28 ft (8.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic1,000 (2021)
Projected traffic1,530 by 2041
Trucks8%
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 12th ST over Boots Creek built?

It was built in 1921, making it 104 years old in 2025. It was reconstructed in 2003.

What condition is 12th ST over Boots 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 12th ST over Boots Creek carry?

About 1,000 vehicles per day (2021 count), of which roughly 8% are trucks.

How long is 12th ST over Boots Creek?

The structure is 21 ft (6.4 m) long with a longest span of 20 ft (6.1 m) and a deck 28 ft wide.

Who owns 12th ST over Boots Creek?

It is owned by the County Highway Agency.