CR 320 over Elm Creek

Fair

McCulloch County, Texas · 0.75 MI S of FM 765 · Structure no. 231600AA0150001

Built: 2003; 22 years old
Condition: Fair; inspected December 2024
Type: Culvert; Concrete
Length: 42 ft; 4 main spans
Daily traffic: 10; 2022 count
Owner: County; County Highway Agency

About this bridge

CR 320 over Elm Creek is a concrete culvert carrying CR 320 over Elm Creek in McCulloch County, Texas. It was built in 2003, so it is 22 years old, younger 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 10 vehicles a day, roughly 1% of them trucks, projected to reach 24 by 2042. The structure is 42 ft (12.8 m) long and 26 ft wide.

Location

Open in Google Maps

CarriesCR 320

CrossesElm Creek

Location0.75 MI S of FM 765

RouteCounty Highway 320

CountyMcCulloch County

StateTexas

Coordinates31.37874, -99.39264

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	5 Fair	All primary structural elements are sound but may have minor section loss, cracking, spalling or scour.
Culvert	6 Satisfactory	Structural elements show some minor deterioration.

Last inspectionDecember 2024

Inspection intervalevery 24 months

Operating statusOpen, no restriction

ScourFoundations stable; scour above top of footing

Structural evaluation6: Equal to present minimum criteria

Deck geometry5: Somewhat better than minimum adequacy to tolerate being left in place as is

Waterway adequacy4: Meets minimum tolerable limits to be left in place as is

Approach roadway alignment8: Equal to present desirable criteria

Operating rating60 US tons

Inventory rating36 US tons

Structure

Structure typeCulvert

MaterialConcrete

DeckConcrete, cast-in-place

Main spans4

Design loadHS 20

Structure length42 ft (12.8 m)

Longest span10 ft (3 m)

Deck width26 ft (7.9 m)

Roadway width24 ft (7.2 m)

Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic10 (2022)

Projected traffic24 by 2042

Trucks1%

Lanes on structure2

Traffic directionTwo-way traffic

CarriesHighway

CrossesWaterway

Detour if closed—

TollOn a free road

National Highway SystemNo

Ownership and planned work

OwnerCounty Highway Agency

Maintained byCounty Highway Agency

Historic statusNot eligible for the National Register of Historic Places

Work proposedNone recorded

Estimated improvement cost—

NavigationNo navigation control on waterway

Frequently asked questions

When was CR 320 over Elm Creek built?

It was built in 2003, making it 22 years old in 2025.

What condition is CR 320 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 December 2024.

How much traffic does CR 320 over Elm Creek carry?

About 10 vehicles per day (2022 count), of which roughly 1% are trucks.

How long is CR 320 over Elm Creek?

The structure is 42 ft (12.8 m) long with a longest span of 10 ft (3 m) and a deck 26 ft wide.

Who owns CR 320 over Elm Creek?

It is owned by the County Highway Agency.