US Bridges

Doppenschmidt RD over Four Mile Creek

Good

Comal County, Texas · 1.0 Mile SE of IH 35 · Structure no. 150460B00412001

Built
1938
87 years old
Condition
Good
inspected September 2023
Type
Culvert
Concrete
Length
29 ft
2 main spans
Daily traffic
171
2020 count
Owner
City
City or Municipal Highway Agency

About this bridge

Doppenschmidt RD over Four Mile Creek is a concrete culvert carrying Doppenschmidt RD over Four Mile Creek in Comal County, Texas. It was built in 1938, so it is 87 years old, older than the Texas average of 44.4 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 171 vehicles a day, projected to reach 390 by 2033. The structure is 29 ft (8.8 m) long and 21 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesDoppenschmidt RD
CrossesFour Mile Creek
Location1.0 Mile SE of IH 35
RouteCounty Highway 0
StateTexas
Coordinates29.64791, -98.17395
Functional classRural Local

Condition and inspection

Good

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

ComponentRatingMeaning
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert7 GoodSome minor problems.
Last inspectionSeptember 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry3: Basically intolerable, requiring high priority of corrective action
Waterway adequacy4: Meets minimum tolerable limits to be left in place as is
Approach roadway alignment5: Somewhat better than minimum adequacy to tolerate being left in place as is
Operating rating36 US tons
Inventory rating27 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckConcrete, cast-in-place
Main spans2
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span14 ft (4.3 m)
Deck width21 ft (6.4 m)
Roadway width19 ft (5.8 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic171 (2020)
Projected traffic390 by 2033
Trucks0%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 km)
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerCity or Municipal Highway Agency
Maintained byCity or Municipal Highway Agency
Historic statusPossibly eligible for the National Register; requires further investigation
Work proposedOther structural work, including hydraulic replacements
Estimated improvement cost$1,000
NavigationNo navigation control on waterway

Frequently asked questions

When was Doppenschmidt RD over Four Mile Creek built?

It was built in 1938, making it 87 years old in 2025.

What condition is Doppenschmidt RD over Four Mile 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 September 2023.

How much traffic does Doppenschmidt RD over Four Mile Creek carry?

About 171 vehicles per day (2020 count).

How long is Doppenschmidt RD over Four Mile Creek?

The structure is 29 ft (8.8 m) long with a longest span of 14 ft (4.3 m) and a deck 21 ft wide.

Who owns Doppenschmidt RD over Four Mile Creek?

It is owned by the City or Municipal Highway Agency.