US Bridges

CR 405 over Elm Creek

Fair

Brown County, Texas · 0.90 MI NW of US 183 · Structure no. 230250AA0405002

Built
1938
87 years old
Condition
Fair
inspected March 2023
Type
Tee Beam
Concrete
Length
27 ft
1 main span
Daily traffic
110
2013 count
Owner
County
County Highway Agency

About this bridge

CR 405 over Elm Creek is a concrete tee beam carrying CR 405 over Elm Creek 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 110 vehicles a day, roughly 2% of them trucks, projected to reach 50 by 2033. The structure is 27 ft (8.2 m) long and 20 ft wide. If it were closed, the detour would be 3.1 mi (5 km).

CarriesCR 405
CrossesElm Creek
Location0.90 MI NW of US 183
RouteCounty Highway 405
StateTexas
Coordinates31.85431, -98.9392
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
Deck6 SatisfactoryStructural elements show some minor deterioration.
Superstructure7 GoodSome minor problems.
Substructure7 GoodSome minor problems.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionMarch 2023
Inspection intervalevery 24 months
Operating statusOpen, no restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation6: Equal to present minimum criteria
Deck geometry2: Basically intolerable, requiring high priority of replacement
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 typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans1
Design loadUnknown
Structure length27 ft (8.2 m)
Longest span26 ft (7.9 m)
Deck width20 ft (6.1 m)
Roadway width18 ft (5.4 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic110 (2013)
Projected traffic50 by 2033
Trucks2%
Lanes on structure1
Traffic directionOne-lane bridge for two-way traffic
CarriesHighway
CrossesWaterway
Detour if closed3.1 mi (5 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 CR 405 over Elm Creek built?

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

What condition is CR 405 over Elm 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 March 2023.

How much traffic does CR 405 over Elm Creek carry?

About 110 vehicles per day (2013 count), of which roughly 2% are trucks.

How long is CR 405 over Elm Creek?

The structure is 27 ft (8.2 m) long with a longest span of 26 ft (7.9 m) and a deck 20 ft wide.

Who owns CR 405 over Elm Creek?

It is owned by the County Highway Agency.