CR 406 over Hog Creek Relief

Fair

Brown County, Texas · 0.60 MI S of CR 411 · Structure no. 230250AA0406003

Built: 1938; 87 years old
Condition: Fair; inspected April 2023
Type: Culvert; Concrete
Length: 45 ft; 5 main spans
Daily traffic: 46; 2022 count
Owner: County; County Highway Agency

About this bridge

CR 406 over Hog Creek Relief is a concrete culvert carrying CR 406 over Hog Creek Relief in Brown 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 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 46 vehicles a day, projected to reach 50 by 2033. The structure is 45 ft (13.7 m) long and 21 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

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CarriesCR 406

CrossesHog Creek Relief

Location0.60 MI S of CR 411

RouteCounty Highway 406

CountyBrown County

StateTexas

Coordinates31.95786, -98.98192

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.

Component	Rating	Meaning
Channel and channel protection	7 Good	Some minor problems.
Culvert	6 Satisfactory	Structural 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 geometry4: Meets minimum tolerable limits to be left in place as is

Waterway adequacy7: Better than present minimum criteria

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 spans5

Design loadUnknown

Structure length45 ft (13.7 m)

Longest span8 ft (2.4 m)

Deck width21 ft (6.4 m)

Roadway width18 ft (5.5 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic46 (2022)

Projected traffic50 by 2033

Trucks0%

Lanes on structure1

Traffic directionOne-lane bridge for two-way traffic

CarriesHighway

CrossesWaterway

Detour if closed6.2 mi (10 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 proposedOther structural work, including hydraulic replacements

Estimated improvement cost$42,000

NavigationNo navigation control on waterway

Frequently asked questions

When was CR 406 over Hog Creek Relief built?

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

What condition is CR 406 over Hog Creek Relief 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 CR 406 over Hog Creek Relief carry?

About 46 vehicles per day (2022 count).

How long is CR 406 over Hog Creek Relief?

The structure is 45 ft (13.7 m) long with a longest span of 8 ft (2.4 m) and a deck 21 ft wide.

Who owns CR 406 over Hog Creek Relief?

It is owned by the County Highway Agency.