US Bridges

CR 4606 over Duck Creek

PoorPosted for load

Concho County, Texas · 3.55 MI SE of US 83 · Structure no. 070480AA0120005

Built
1930
95 years old
Condition
Poor
inspected April 2024
Type
Tee Beam
Concrete
Length
86 ft
3 main spans
Daily traffic
13
2023 count
Owner
County
County Highway Agency

About this bridge

CR 4606 over Duck Creek is a concrete tee beam carrying CR 4606 over Duck Creek in Concho County, Texas. It was built in 1930, so it is 95 years old, older than the Texas average of 44.4 years.

The most recent inspection reported to the Federal Highway Administration rates it in poor condition with a lowest component rating of 4 out of 9. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. Its operating status is: posted for load restriction.

It carries about 13 vehicles a day, projected to reach 60 by 2033. The structure is 86 ft (26.2 m) long and 20 ft wide. If it were closed, the detour would be 6.2 mi (10 km).

Location

Open in Google Maps
CarriesCR 4606
CrossesDuck Creek
Location3.55 MI SE of US 83
RouteCounty Highway 4606
CountyConcho County
StateTexas
Coordinates31.45301, -99.85924
Functional classRural Local

Condition and inspection

Poor

The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions.

ComponentRatingMeaning
Deck5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Superstructure4 PoorAdvanced section loss, deterioration, spalling or scour.
Substructure5 FairAll primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Channel and channel protection6 SatisfactoryStructural elements show some minor deterioration.
Last inspectionApril 2024
Inspection intervalevery 24 months
Operating statusPosted for load restriction
ScourFoundations stable; scour within limits of footing or piles
Structural evaluation4: Meets minimum tolerable limits to be left in place as is
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 typeTee Beam
MaterialConcrete
DeckConcrete, cast-in-place
Main spans3 (+4 approach)
Design loadUnknown
Structure length86 ft (26.2 m)
Longest span16 ft (4.9 m)
Deck width20 ft (6.2 m)
Roadway width18 ft (5.6 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic13 (2023)
Projected traffic60 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 proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was CR 4606 over Duck Creek built?

It was built in 1930, making it 95 years old in 2025.

What condition is CR 4606 over Duck Creek in?

The National Bridge Inventory rates it in poor condition. The lowest-rated primary component is rated 4 or below, indicating advanced deterioration. Poor does not mean unsafe; such bridges are inspected more often and may carry load restrictions. The last reported inspection was in April 2024.

How much traffic does CR 4606 over Duck Creek carry?

About 13 vehicles per day (2023 count).

How long is CR 4606 over Duck Creek?

The structure is 86 ft (26.2 m) long with a longest span of 16 ft (4.9 m) and a deck 20 ft wide.

Who owns CR 4606 over Duck Creek?

It is owned by the County Highway Agency.