US Bridges

CR 100S over Mud Creek

Fair

Rush County, Indiana · 00.10 W of CR 715 W · Structure no. 7000121

Built
1970
55 years old
Condition
Fair
inspected May 2023
Type
Channel Beam
Concrete
Length
48 ft
2 main spans
Daily traffic
100
2019 count
Owner
County
County Highway Agency

About this bridge

CR 100S over Mud Creek is a concrete channel beam carrying CR 100S over Mud Creek in Rush County, Indiana. It was built in 1970, so it is 55 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 100 vehicles a day, roughly 5% of them trucks, projected to reach 150 by 2039. The structure is 48 ft (14.6 m) long and 23 ft wide. If it were closed, the detour would be 1.9 mi (3 km).

CarriesCR 100S
CrossesMud Creek
Location00.10 W of CR 715 W
RouteCounty Highway 138
StateIndiana
Coordinates39.59847, -85.58194
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
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Substructure6 SatisfactoryStructural elements show some minor deterioration.
Channel and channel protection5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Last inspectionMay 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourScour critical; foundations unstable for calculated scour conditions
Structural evaluation5: Somewhat better than minimum adequacy to tolerate being left in place as is
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 rating63.1 US tons
Inventory rating38.9 US tons

Structure

Structure typeChannel Beam
MaterialConcrete
DeckConcrete, precast panels
Main spans2
Design loadHS 20
Structure length48 ft (14.6 m)
Longest span24 ft (7.3 m)
Deck width23 ft (6.9 m)
Roadway width22 ft (6.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2019)
Projected traffic150 by 2039
Trucks5%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.9 mi (3 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 100S over Mud Creek built?

It was built in 1970, making it 55 years old in 2025.

What condition is CR 100S over Mud 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 May 2023.

How much traffic does CR 100S over Mud Creek carry?

About 100 vehicles per day (2019 count), of which roughly 5% are trucks.

How long is CR 100S over Mud Creek?

The structure is 48 ft (14.6 m) long with a longest span of 24 ft (7.3 m) and a deck 23 ft wide.

Who owns CR 100S over Mud Creek?

It is owned by the County Highway Agency.