US Bridges

SR 18 EB over Boots Creek

Good

Grant County, Indiana · 00.64 E SR 9 · Structure no. 004835

Built
1994
31 years old
Condition
Good
inspected August 2023
Type
Slab
Concrete
Length
28 ft
1 main span
Daily traffic
7,055
2018 count
Owner
State
State Highway Agency

About this bridge

SR 18 EB over Boots Creek is a concrete slab carrying SR 18 EB over Boots Creek in Grant County, Indiana. It was built in 1994, so it is 31 years old, younger than the Indiana average of 46.6 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 7 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 7,055 vehicles a day, roughly 9% of them trucks, projected to reach 8,447 by 2032. The structure is 28 ft (8.5 m) long and 64 ft wide. If it were closed, the detour would be 0.6 mi (1 km).

CarriesSR 18 EB
CrossesBoots Creek
Location00.64 E SR 9
RouteState Highway 18
StateIndiana
Coordinates40.55784, -85.66367
Functional classUrban Other Principal Arterial

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Deck7 GoodSome minor problems.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection7 GoodSome minor problems.
Last inspectionAugust 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation7: Better than 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 rating76.8 US tons
Inventory rating59.3 US tons

Structure

Structure typeSlab
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadHS 20
Structure length28 ft (8.5 m)
Longest span25 ft (7.6 m)
Deck width64 ft (19.5 m)
Roadway width29 ft (8.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic7,055 (2018)
Projected traffic8,447 by 2032
Trucks9%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway and pedestrian
CrossesWaterway
Detour if closed0.6 mi (1 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerState Highway Agency
Maintained byState 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 SR 18 EB over Boots Creek built?

It was built in 1994, making it 31 years old in 2025.

What condition is SR 18 EB over Boots Creek in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in August 2023.

How much traffic does SR 18 EB over Boots Creek carry?

About 7,055 vehicles per day (2018 count), of which roughly 9% are trucks.

How long is SR 18 EB over Boots Creek?

The structure is 28 ft (8.5 m) long with a longest span of 25 ft (7.6 m) and a deck 64 ft wide.

Who owns SR 18 EB over Boots Creek?

It is owned by the State Highway Agency.