US Bridges

Callahan RD over Shiloh Creek

Fair

DeWitt County, Texas · 1.5 MI W of FM 2718 · Structure no. 130620AA0146001

Built
1955
70 years old
Condition
Fair
inspected December 2023
Type
Culvert
Concrete
Length
22 ft
2 main spans
Daily traffic
80
2019 count
Owner
County
County Highway Agency

About this bridge

Callahan RD over Shiloh Creek is a concrete culvert carrying Callahan RD over Shiloh Creek in DeWitt County, Texas. It was built in 1955, so it is 70 years old, older than the Texas average of 44.4 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 80 vehicles a day, projected to reach 120 by 2039. The structure is 22 ft (6.7 m) long and 20 ft wide. If it were closed, the detour would be 8.7 mi (14 km).

Location

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CarriesCallahan RD
CrossesShiloh Creek
Location1.5 MI W of FM 2718
RouteCounty Highway 0
CountyDeWitt County
StateTexas
Coordinates29.00033, -97.40727
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
Channel and channel protection7 GoodSome minor problems.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionDecember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry4: Meets minimum tolerable limits to be left in place as is
Waterway adequacy7: Better than present minimum criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length22 ft (6.7 m)
Longest span10 ft (3 m)
Deck width20 ft (6.1 m)
Roadway width19 ft (5.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic80 (2019)
Projected traffic120 by 2039
Trucks0%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed8.7 mi (14 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency
Maintained byCounty Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Callahan RD over Shiloh Creek built?

It was built in 1955, making it 70 years old in 2025.

What condition is Callahan RD over Shiloh 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 December 2023.

How much traffic does Callahan RD over Shiloh Creek carry?

About 80 vehicles per day (2019 count).

How long is Callahan RD over Shiloh Creek?

The structure is 22 ft (6.7 m) long with a longest span of 10 ft (3 m) and a deck 20 ft wide.

Who owns Callahan RD over Shiloh Creek?

It is owned by the County Highway Agency.