US Bridges

St. Germain RD over Drainage Channel

Fair

Dallas County, Texas · 0.6 MI N of IH 30 · Structure no. 1805709S6620001

Built
1973
52 years old, rebuilt 1990
Condition
Fair
inspected April 2023
Type
Culvert
Concrete
Length
29 ft
3 main spans
Daily traffic
819
2015 count
Owner
City
City or Municipal Highway Agency

About this bridge

St. Germain RD over Drainage Channel is a concrete culvert carrying St. Germain RD over Drainage Channel in Dallas County, Texas. It was built in 1973 and reconstructed in 1990, so it is 52 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 819 vehicles a day, roughly 3% of them trucks, projected to reach 1,146 by 2037. The structure is 29 ft (8.8 m) long and 70 ft wide. If it were closed, the detour would be 1.2 mi (2 km).

Location

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CarriesSt. Germain RD
CrossesDrainage Channel
Location0.6 MI N of IH 30
RouteCity Street 0
CountyDallas County
StateTexas
Coordinates32.77538, -96.8793
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
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Culvert6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation6: Equal to present minimum criteria
Deck geometry9: Superior to present desirable criteria
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 spans3
Design loadUnknown
Structure length29 ft (8.8 m)
Longest span9 ft (2.7 m)
Deck width70 ft (21.3 m)
Roadway width45 ft (13.7 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic819 (2015)
Projected traffic1,146 by 2037
Trucks3%
Lanes on structure2
Traffic directionOne-way traffic
CarriesHighway
CrossesWaterway
Detour if closed1.2 mi (2 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was St. Germain RD over Drainage Channel built?

It was built in 1973, making it 52 years old in 2025. It was reconstructed in 1990.

What condition is St. Germain RD over Drainage Channel 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 April 2023.

How much traffic does St. Germain RD over Drainage Channel carry?

About 819 vehicles per day (2015 count), of which roughly 3% are trucks.

How long is St. Germain RD over Drainage Channel?

The structure is 29 ft (8.8 m) long with a longest span of 9 ft (2.7 m) and a deck 70 ft wide.

Who owns St. Germain RD over Drainage Channel?

It is owned by the City or Municipal Highway Agency.